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Table 1 Detailed description of recorded clinical features of our ACS data

From: Application of pattern recognition tools for classifying acute coronary syndrome: an integrated medical modeling

Label Feature name Value Scale
1 Sex Male=1, Female=2 Nominal
2 Age [-1,1] Ratio
3 Living place (rural or urban) Urban=1, Rural=2 Nominal
4 Body Mass Index [-1,1] Ratio
5 History of prior myocardial infarction Absence=1, Presence=2 Nominal
6 History of prior angina pectoris Absence=1, Presence=2 Nominal
7 History of congestive heart failure Absence=1, Presence=2 Nominal
8 History of stroke Absence=1, Presence=2 Nominal
9 History of chronic renal failure Absence=1, Presence=2 Nominal
10 History of chronic lung disease Absence=1, Presence=2 Nominal
11 Prioritize PCI Absence=1, Presence=2 Nominal
12 Prior CABG Absence=1, Presence=2 Nominal
13 Smoking status Never=1, Former=2, Current=3 Ordinal
14 Diabetes mellitus Non-diabetic=1, Newly diagnosed =2, Diabetic (dietary control) =3, Diabetic (oral medication) =4, Diabetic (oral MEDs + insulin) =5, Diabetic (insulin) =6 Ordinal
15 History of hypertension Absence=1, Presence=2 Nominal
16 History of hypercholesterolemia Absence=1, Presence=2 Nominal
17 Family history of CAD Absence=1, Presence=2 Nominal
18 Chronic Home MEDs: Aspirin Absence=1, Presence=2 Nominal
19 Chronic Home MEDs: Other antiplatelet None=1, Other antiplatelet agent=2, Clopidogrel=3 , Ticlopidine=4 Ordinal
20 Chronic Home MEDs: Anticoagulants Absence=1, Presence=2 Nominal
21 Chronic Home MEDs: Beta-blockers Absence=1, Presence=2 Nominal
22 Chronic Home MEDs: ACE inhibitors Absence=1, Presence=2 Nominal
23 Chronic Home MEDs: Angiotensin II RB Absence=1, Presence=2 Nominal
24 Chronic Home MEDs: Statins Absence=1, Presence=2 Nominal
25 Chronic Home MEDs: Non-statin lipid low. Agents None= 1 , Other non-statin=2, Fibrates=3, Ezitimibe=4 Ordinal
26 Chronic Home MEDs: Calcium channel blockers Absence=1, Presence=2 Nominal
27 Chronic Home MEDs: Calcium channel blockers Absence=1, Presence=2 Nominal
28 Predominantly presenting symptom Asymptomatic=1, Fatigue=2, Chest pain=3, Dyspnoea=4, Other symptoms=5, Syncope=6, Cardiac arrest-Aborted sudden death= 7 Ordinal
29 Heart rate [-1,1] Ratio
30 Systolic blood pressure [-1,1] Ratio
31 Troponin I elevated Absence=-1, Presence=1 Nominal
32 CKMB mass elevated Absence=-1, Presence=1 Nominal
33 Total Cholesterol value [-1,1] Ratio
34 Serum creatinine value [-1,1] Ratio
35 Glucose value [-1,1] Ratio
36 Hemoglobin value [-1,1] Ratio
37 Killip class Class I=1, Class II=2, Class III=3, Class IV= 4 Ordinal
38 ECG rhythm Sinus rhythm=1, Atrial fibrillation=2, Pacemaker=3, Other=4 Ordinal
39 ECG QRS annotation Normal=1, RBBB=2, LBBB=3, Other=4 Ordinal
40 ECG STT changes Normal=1, Other=2, ST depression=3, ST elevation=4 Ordinal