NEXUS Chest CT (Rodriguez 2015). Chest CT-Major is negative only when abnormal CXR, distracting injury, chest-wall, sternal, thoracic-spine, and scapular tenderness are all absent. Chest CT-All is negative only when those six and rapid deceleration mechanism are absent. Presence of a criterion does not mandate CT. Not a diagnosis, not the NEXUS Chest CXR instrument, and not Hoffman 2000 NEXUS C-spine. Enrolled blunt trauma age >14. magent does not examine the patient or read a radiograph.

NEXUS Head CT (Mower 2017). Low-risk, and CT may be omitted by this instrument, only when all eight are absent: age 65 or older, evidence of skull fracture, scalp hematoma, neurologic deficit, altered alertness, abnormal behavior, coagulopathy, and persistent vomiting. Age 65 is high-risk; age 64 is not on age alone. Not a diagnosis, not a CT order, not Hoffman 2000 NEXUS C-spine, and not the Canadian CT Head Rule. magent does not examine the patient.

Maxwell 2008 Nottingham hip fracture score: age <=65 0, 66-85 3, >=86 4; male 1; hemoglobin <=10 g/dL 1 (g/L / 10); caller-assigned AMTS <=6, lives in institution, >=2 comorbidities, and malignancy 1 each. Max 10. Integer score only; no predicted 30-day mortality percent. magent does not administer AMTS or clear a patient for surgery. Not the 2012 or 2015 recalibrations.

NICE CG174 adult hospital routine maintenance: 20, 25, or 30 mL/kg/day water times dosing weight, about 1 mmol/kg/day sodium, potassium, and chloride each, and 50–100 g/day glucose. Flags water over 2.5 L without capping. Not 4-2-1, not Holliday–Segar, not a fluid-type order. Caller assigns IBW when obese. Deterministic published arithmetic with citation.

NICE NG29 (2015, updated 2020) pediatric IV maintenance for children and young people: Holliday–Segar daily 100/50/20 mL/kg, then male 2500 mL or female 2000 mL 24-hour caps, then ADH-risk restriction at 50%, 80%, or 100% of the capped volume. Hourly is restricted/24, not 4-2-1. Not a prescription, not neonate day-of-life volumes, and not adult CG174.

Brott 1989 NIH stroke scale: 15 caller-assigned exam integers including pupillary response (0-2) and plantar reflex (0-3), with weaker-limb motor arm (0-4) and motor leg (0-3). Sum 0-37. Not the later NINDS 11-category form, not mNIHSS, and not a tPA order. magent does not examine the patient. No total-score severity bands in Brott 1989; later website cutoffs are not applied. Not a diagnosis and not a medical device.

McKhann 1984 NINCDS-ADRDA diagnostic category as assigned by the caller (definite, probable, possible, or unlikely). Returns the token and the published defining-features description. magent does not examine the patient. Not NIA-AA 2011/2018. Not DSM. Not an Alzheimer's diagnosis. Not a medical device.

Barry 2021 NIRUDAK Table 2 integer score (max 13) for patients 5–120 years with acute diarrhea: age, sex, eye_level, radial_pulse, respirations, skin_pinch (rapid/slow/very_slow), vomiting_episodes_24h. Bands 0-3 no, 4-6 some, 7-13 severe dehydration. Not WHO IMCI/IMAI. Not DHAKA. Not PLOS logistic models. magent does not examine the patient or order fluids. Not a medical device.

Hartley 2021 NIVO: consolidation, GCS ≤14, AF, and pH <7.25 score 1 each; time to acidaemia >12 h scores 2; eMRCD 1_to_4 → 0, 5a → 2, 5b → 3 (cannot score both). Returns 0–9 and Table 4 bands 0-2 / 3-4 / 5-6 / 7-9 with grouped in-hospital mortality 5.0 / 16.8 / 41.2 / 71.4%. Not HACOR, DECAF, APACHE II, or a weaning predictor. Not a medical device.

Neutrophil-to-lymphocyte ratio from relative neutrophil and lymphocyte percents (Zahorec 2001). Deterministic published arithmetic with citation. Not a sepsis diagnosis; magent does not apply later oncology cutoffs that are not in that paper.

Galer 1997 Neuropathic Pain Scale from ten caller-assigned 0-10 items (intensity, sharpness, heat, dullness, cold, sensitive, itchy, unpleasantness, deep_pain, surface_pain; Table 1 Intense, Sharp, Hot, Dull, Cold, Sensitive, Itchy, Unpleasant, Deep, Surface). magent sums those items only (max 100) and does not interview the patient. Galer 1997 printed no diagnostic cutoff for that sum. Not a neuropathy diagnosis or treatment order.

VA TPN 1991 Nutritional Risk Index (NEJM): NRI = 1.519*albumin_g_l + 41.7*(current/usual weight). Malnourished if NRI <= 100. Strata: not_malnourished if NRI > 100; borderline_malnourished if 97.5 < NRI <= 100; mildly_malnourished if 83.5 <= NRI <= 97.5; severely_malnourished if NRI < 83.5. Does not cap current/usual at 1. Not a malnutrition diagnosis or TPN order. magent does not assay albumin or weigh the patient. Not GNRI or PNI.

Rao 2021 natriuretic response prediction equation from caller-assigned eGFR and BSA, serum and urine creatinine, and urine sodium on a spot sample ~2 h after IV loop diuretic. Na_output_mmol = eGFR*(BSA/1.73)*(SerumCr/UrineCr)*60*3.25*(UrineNa/1000). Poor <50 mmol; suboptimal <100 mmol (includes poor); excellent >150 mmol. magent does not compute eGFR or BSA and does not order a diuretic.

Kondrup 2003 NRS-2002: nutrition_status (0-3) + disease_severity (0-3) + 1 if age ≥70 (70 scores); max 7. at_risk true iff score ≥3. Caller assigns published grades (highest undernutrition indicator). Hospitalized adults. Not a medical device, not a diet order, not NRI. magent does not weigh the patient.

Heyland 2011 original 6-variable NUTRIC (Nutrition Risk in the Critically Ill) including IL-6, Table 4 overall: age 0-2, APACHE II 0-3 (28 scores 2), SOFA 0-2, comorbidities 0-1, hospital days to ICU 0-1, IL-6 pg/mL 0-1; max 10. high_risk true iff score ≥6. Caller supplies APACHE II and SOFA integers. Not a medical device, not a feeding order, not Rahman 2015 mNUTRIC.

Odhner 2003 original NVPS from five caller-assigned 0-2 items (face, activity, guarding, physiologic_i vital signs, physiologic_ii autonomic) using that paper's 0/1/2 descriptors. magent sums only (max 10) and does not observe the patient. Not the later NVPS-R respiratory revision. No invented intensity cutoffs. Not a pain diagnosis or analgesic order. Not BPS. Not FLACC.

NYHA 1994 functional capacity class 1-4 as assigned by the caller (Criteria Committee of the New York Heart Association, 9th edition). Returns class, score, max 4, and the published class description. Functional capacity only; not Objective Assessment A-D and not ACC/AHA stages. Not a heart-failure diagnosis; magent does not examine the patient.

Oakland 2017 risk score for safe discharge after acute lower gastrointestinal bleeding. Points from age (0-2), sex (male 1), previous LGIB admission (1), caller-assigned blood on digital rectal examination (1), heart rate (0-3), systolic BP (0-5), and hemoglobin g/dL (0-22); max 35. safe_discharge when score ≤8 (derivation cutoff, not a later US validation). Not a discharge order or LGIB diagnosis. magent does not examine the rectum or assay hemoglobin. Hemoglobin g/dL or g/L.

Colivicchi 2003 OESIL: 1 point each for age >65 years, history of cardiovascular disease, syncope without prodromes, and abnormal ECG. Arithmetic sum 0-4. Caller assigns three flags; magent does not read an ECG. Score only; derivation-cohort 12-month mortality percents are not an individual prediction. Not a medical device and not a disposition protocol.

Ottawa Heart Failure Risk Scale (OHFRS; Stiell 2013 derivation). Ten caller-assigned flags (stroke/TIA 1, intubation 2, arrival HR >=110 2, arrival SaO2 <90% 1, walk-test HR >=110 or unable 1, new ischemic ECG 2, urea >=12 mmol/L 1, CO2 >=35 mmol/L 2, troponin at MI level 2, NT-proBNP >=5000 ng/L 1); integer points, max 15. Derivation SAE risk 2.8% to 89.0%. Not a medical device, not a disposition or discharge order, not EHMRG. magent does not walk the patient or read the ECG.

OHTS-EGPS 2007 Table 6: 5-year primary open-angle glaucoma risk in untreated ocular hypertension from age, mean IOP (mm Hg), mean central corneal thickness (microns), mean vertical cup-disc ratio, and mean Humphrey pattern standard deviation (dB). Point bands map to 4%, 10%, 15%, 20%, or 33%. No race (dropped in the multivariate model). No diabetes term. Not a glaucoma diagnosis or drop order. magent does not measure IOP or pachymetry.

Graham 2006 ONLS: caller-assigned arm_scale 0-5 plus leg_scale 0-7. Sum 0-12. Score 0 is no limitations. Arm 5 or leg 7 is no purposeful movement of that region. Leg 0 requires walking, stairs, and running unaffected. Remaining grades match ODSS; this is not ODSS and not Adjusted ONLS. magent does not observe the patient. No published total-score severity bands. Not a diagnosis and not a medical device.

Goldman 2017 counseling for elective mature-oocyte cryopreservation. Autologous: thaw survival 0.95 if age <36 else 0.85; p_blast = survival × exp(2.8043 − 0.1112 × equation_age) with equation_age 35 at age ≤35; p_euploid from that paper's SI table. Donor: p_blast 0.3583, p_euploid 0.647. p_oocyte = 0.6 × p_euploid × p_blast. Returns nearest-integer percents of at least 1, 2, and 3 live births. Surrogate ICSI cohort; not a live-birth guarantee. Not oncofertility.

Cadarette 2000 Osteoporosis Risk Assessment Instrument (ORAI). Additive Table 4 score: age ≥75 → 15, 65–74 → 9, 55–64 → 5, 45–54 → 0; weight <60 kg → 9, 60–69 kg → 3, ≥70 kg → 0; current estrogen no → 2, yes → 0. Max 26. Score ≥9 would be selected for bone densitometry. Age 45–120; weight_kg or weight_lb. Not a medical device, not OSTA, not FRAX, not a DXA order.

Auffret 2018 ORBI integer score for in-hospital cardiogenic shock after STEMI treated by primary PCI. Rounded adjusted-OR points (max 36) from age >70, prior stroke/TIA, cardiac arrest, anterior STEMI, FMC-to-PPCI >90 min, Killip I-III, heart rate >90, SBP <125 with pulse pressure <45, glucose >10 mmol/L, left-main culprit, and post-PPCI TIMI <3. Derivation-cohort class I-IV percents. Not a medical device, not a cath-lab or shock-treatment order, and not the ORBIT bleeding score.

ORBIT 2015 (O'Brien) AF bleeding score: age >=75 scores 1; anemia caller flag 2; bleeding history 2; insufficient kidney (paper eGFR <60) caller flag 1; antiplatelet 1. Max 7. Score 0-2 low, 3 intermediate, >=4 high. Not a diagnosis. Not HAS-BLED. magent does not take hemoglobin or compute eGFR.

Webster 2005 Opioid Risk Tool from Table 1 sex-specific weights. Ten caller-assigned yes/no flags (absent = 0). Age 16-45 is a flag, not a numeric age. ADD, OCD, bipolar, or schizophrenia is one flag. Preadolescent sexual abuse scores 3 in females and 0 in males. Low 0-3, moderate 4-7, high >=8. Not a medical device, not a diagnosis of opioid use disorder, not the 2019 ORT-OUD revision. magent does not interview the patient or take free-text history.

Cheatle 2019 revised Opioid Risk Tool (ORT-OUD): nine unweighted yes/no flags (each 1; max 9). No sex. No preadolescent sexual abuse item. Scores 0-2 are non_oud; 3 or more are oud (integer cutoff for the paper's 2.5). Not Webster 2005 weighted ORT. Cheatle 2019 enrolled only Caucasian patients of European descent (parent-study genotype design); that is a population limit, not a race coefficient. Not a diagnosis of opioid use disorder. magent does not interview the patient. Not a medical device.

DeMaria 2007 obesity surgery mortality risk score (OS-MRS): five caller-assigned flags (BMI ≥50 kg/m², male, hypertension, known PE risk, age ≥45), 1 point each, max 5. Class A 0–1, B 2–3, C 4–5. Deterministic published score with citation; not a surgical clearance and not a mortality percentage. magent does not weigh the patient or measure age.

Sedrine 2002 Osteoporosis Index of Risk (OSIRIS). Index = (-0.2 × age) + (0.2 × weight_kg) + 2 if current HRT + (-2) if prior low-impact fracture. Risk low if score > +1, high if score < -3, intermediate otherwise including exact +1 and -3. Age 18-120; weight_kg or weight_lb; current_hrt and prior_low_impact_fracture true/false. Not a medical device, not FRAX, not a DXA order. Derivation was postmenopausal Western European women.

Koh 2001 Osteoporosis Self-Assessment Tool for Asians (OSTA). Index = trunc(0.2 × (weight_kg − age)) toward zero. Risk low if index > −1, intermediate if −1 through −4, high if index < −4. Age 18–120; weight_kg or weight_lb. Not a medical device, not FRAX, not a DXA order. Derivation was postmenopausal Asian women.

Ottawa ankle rule (Stiell 1992). Ankle x-ray is indicated when there is malleolar-zone pain and any of: bone tenderness at the posterior edge or tip of the lateral or medial malleolus, or inability to bear weight both immediately after injury and in the emergency department (four steps). One weight-bearing failure alone is not enough. Not a diagnosis of fracture, not the Ottawa foot rule, and not the Pittsburgh knee rule. magent does not examine the ankle.

Ottawa COPD Risk Scale (Stiell 2014 derivation). Ten caller-assigned flags: CABG 1, PVD intervention 1, intubation 2, arrival HR >=110 2, too ill to walk or HR >=120 (SaO2 <90%) 2, ischemic ECG 2, CXR congestion 1, Hb <100 g/L 3, urea >=12 1, serum CO2 >=35 1; max 16. Bands low/medium/high/very high with Table 8 SAE percents when published. Not a medical device or admission order; not BAP-65 or DECAF; not the 2018 validation as formula. magent does not walk the patient or read the ECG or CXR.

Ottawa knee rule (Stiell 1995). Knee x-ray is indicated when any of: age 55 or older, bone tenderness at the fibular head, isolated patellar tenderness (caller-applied), inability to flex to 90 degrees, or inability to bear weight both immediately after injury and in the emergency department (four steps). One weight-bearing failure alone is not enough. Not a diagnosis of fracture, not the Ottawa ankle or foot rule, and not the Pittsburgh knee rule. magent does not examine the knee.

Ottawa SAH Rule (Perry 2013 JAMA). Investigate when any of six findings is present: age 40 or older, neck pain or stiffness, witnessed loss of consciousness, onset during exertion, thunderclap headache (instantly peaking pain), or limited neck flexion on examination. Not a diagnosis of SAH, not Hunt-Hess, and not Fisher grade. For alert, neurologically intact adults with nontraumatic headache peaking within 1 hour as published. magent does not examine the neck.

Oxygenation index from FiO2 as a fraction (0.21–1.0), mean airway pressure in cm H2O, and PaO2: FiO2 × MAP × 100 / PaO2. Deterministic published arithmetic with citation; not a diagnosis or an ECMO-initiation protocol.

NCI pack-year smoking exposure: pack_years = packs_per_day x years_smoked. One pack per day for one year is one pack-year; two packs per day for 0.5 year is the same. Provide packs_per_day (0-10) or cigarettes_per_day (0-200; 20 cigarettes = 1 pack), not both, plus years_smoked (0-80). magent does not take a smoking history interview. Not a lung-cancer screening order, COPD diagnosis, or medical device.

Barbar 2010 Padua Prediction Score for hospitalized medical patients: cancer 3, previous VTE 3, reduced mobility 3, thrombophilia 3, recent trauma/surgery 2, age >=70 1, heart/respiratory failure 1, acute MI/stroke 1, infection/rheumatologic 1, obesity (BMI>=30) 1, hormonal treatment 1. Max 20. <4 low; >=4 high. Not a diagnosis. Not Caprini, IMPROVE, or Khorana.

Warden 2003 PAINAD from five caller-assigned 0-2 items (breathing, negative_vocalization, facial_expression, body_language, consolability) using that paper's 0/1/2 descriptors. magent sums only (max 10) and does not observe the patient. No later intensity cutoffs. Not a pain diagnosis or analgesic order.

Palchak 2003. High risk after blunt head trauma in children 0-17 if any applicable predictor: abnormal mental status, clinical signs of skull fracture, history of vomiting, scalp hematoma (only if age <=2), or headache. Else low risk. ct_not_low_risk iff high. Scalp hematoma is parsed at all ages but scores only when age is 0, 1, or 2. Not PECARN, CATCH, CHALICE, Canadian CT Head, or NEXUS. magent does not examine the child or order CT. Not a diagnosis or medical device.

Korabathina 2012 pulmonary artery pulsatility index from PA systolic (mm Hg), PA diastolic (mm Hg), and RAP (mm Hg): PAPi = (PAS − PAD) / RAP. Returns papi to two decimals and the paper ROC band (<=0.9 or >0.9) from the unrounded ratio. Equality at 0.9 is <=0.9. RAP 0 is invalid (no RAP=1 substitution). Not a medical device, RV-failure diagnosis, or device threshold.

Paradise 1984 eligibility frequency for recurrent throat infection. paradise_criteria is true iff qualifying_episode_features and any of ge_7_episodes_preceding_year, ge_5_episodes_each_of_2_years, or ge_3_episodes_each_of_3_years. Caller assigns that counting episodes had fever >38.3 C, cervical adenopathy, tonsillar exudate, or group A beta-hemolytic streptococcus culture. magent does not examine the patient or count episodes. Not a tonsillectomy order. Not AAO-HNS 2019.

Kharbanda 2018 Table 3 pediatric appendicitis risk calculator (pARC): logistic probability from sex, age (5-18 years), pain duration, pain with walking, migration of pain to RLQ, maximal RLQ tenderness, abdominal guarding, and ANC (x10^3/uL; 1.77*sqrt(ANC) if <14, else constant 6.62). Returns logit and estimated_probability_percent. Not a medical device, not a diagnosis, not PAS, and not Alvarado. magent does not examine the child.

Adult Parkland crystalloid volume: 4 mL × kg × %TBSA for 24 hours, half in the first 8 hours from the time of injury. Baxter 1974. Deterministic published arithmetic with citation; not a treatment order, IV prescription, or urine-output titration.

Biagini Myers 2019 Pediatric Asthma Risk Score (PARS). Table III weights (OR rounded to nearest integer): parental asthma 2, eczema before age 3 2, wheezing apart from colds 3, wheezing before age 3 3, caller-assigned African American race 2, SPT ≥2 aeroallergens and/or food allergens 2. Max 14. Fig E1 predicted asthma by age 7 as an integer percent. Scores 1 and 13 are unattainable. Not API or mAPI. Not a diagnosis. magent does not assign race and does not perform SPT.

Samuel 2002 pediatric appendicitis score from eight caller-assigned findings, ages 4-15, max 10. Cough/percussion/hopping RLQ and RIF tenderness score 2; anorexia, pyrexia, nausea/emesis, leukocytosis, neutrophilia, and migration score 1. Fever and labs are flags, not unpublished cutoffs. Not Alvarado (MANTRELS). Not a diagnosis or operating-room protocol. magent does not examine the abdomen.

Wolfe 2005 Patient Activity Scale II (PAS-II): (haq_ii * 3.33 + pain_vas + patient_global_vas) / 3. HAQ-II 0-3 (not HAQ); pain and patient global 0-10 VAS. magent does not administer HAQ-II. Not PAS-RA, Samuel 2002 pediatric appendicitis PAS, DAS28, or CDAI. Not a diagnosis. PAS-II total only; no remission or severity cutoffs.

Wolfe 2005 Patient Activity Scale (PAS): (haq * 3.33 + pain_vas + patient_global_vas) / 3. HAQ 0-3 (not HAQ-II); pain and patient global 0-10 VAS. magent does not administer the HAQ. Not PAS-II, Samuel 2002 pediatric appendicitis PAS, DAS28, or CDAI. Not a diagnosis. PAS total only; no remission or severity cutoffs.

PASCAL (PFO-Associated Stroke Causal Likelihood; Kent 2021 JAMA Table 1) from a caller-assigned RoPE total (0-10; magent does not recompute RoPE) plus large-shunt and atrial-septal-aneurysm flags. high_rope is RoPE ≥7 (not >7). high_risk_pfo is large shunt and/or ASA. probable if both, possible if exactly one, unlikely if neither. Not a closure order, not RoPE, not ESUS. Trial ages 18-60 are a limitation. magent does not read echocardiography.

Fredriksson 1978 PASI from four regions. Each region: area 0-6 and erythema, induration, and scaling 0-4. Region score = (sum of three signs) × area × adult weight (head 0.1, upper extremities 0.2, trunk 0.3, lower extremities 0.4). Total max 72. Adult weights only. magent does not examine the skin. No IGA or later severity bands. Not a diagnosis. Not EASI.