Table 1 Characteristics of patients for whom mortality risks were calculated
|  | N = 34 |
|---|---|
Age years median/(IQR) | 69.5 (65–77) |
Male N (%) | 16 (47) |
ASA PS (1/2/3/4) | 1/2/11/20 |
Surgery /no surgery | 16/18 (47/53) |
Type of surgery; | N (%) |
 - Major abdominal | 4 (12) |
 - Minor abdominal | 1 (3) |
 - Urologic | 8 (2) |
 - Vascular | 3 ((9) |
 - Thoracic | 4 (12) |
 - Orthopedic | 5 (15) |
 - Other surgery | 12(35) |
Pre-existing conditions | |
 - Chronic heart failure | 20 (59) |
 - Coronary artery disease | 17 (50) |
 - Hypertension | 16 (47) |
 - Cancer (last year) | 13 (38) |
 - COPD (Gold class 1/2/3/4) (5%) | 10 (2/2/2/4) (29) |
 - Arrhythmia | 8 (24) |
 - TIA/CVA | 6 (18) |
 - NIDDM | 5 (15) |
 - Chronic renal failure | 4 (12) |
 - Epilepsy | 3 (9) |
 - IDDM | 2 (6) |
 - Dementia | 2 (6) |