| Covariates | Shock: normal; Shock: moderate; Shock: severe; Clinical history: normal (none of the following: MI, stroke, angina, CABG, cardiac arrest, HTN); Clinical history: mild (1 or 2 of the following: MI, stroke, angina, CABG, cardiac arrest, HTN); Clinical history: moderate (3 or more of the following: MI, stroke, angina, CABG, cardiac arrest, HTN); Age 35-59 years old; Age 60-69 years old; Age 70-74 years old; Q-wave infarction: major; Q-wave infarction: minor; Non Q-wave infarction: major; Non Q-wave infarction: minor; Right bundle branch block; Left bundle branch block; Intraventricular block; Congestive heart failure: normal; Congestive heart failure: mild; Congestive heart failure: severe; Kidney function: normal (BUN <18 mg/dl); Kidney function: mild (BUN 18-29 mg/dl); Kidney function: severe (BUN >=30 mg/dl); Charlson Comorbidity Index: normal (0 points); Charlson Comorbidity Index: moderate (1 point); Charlson Comorbidity Index: severe (2 points); Charlson Comorbidity Index: very severe (>=3 points) |
