Table 1.
Baseline characteristics of patients randomised after cardiac surgery to conventional management or protocol for optimising cardiac variables. Values are numbers (percentages) unless stated otherwise
| Characteristics | Control group (n=85) | Protocol group (n=89) |
|---|---|---|
| Mean (SD) age (years) | 66.7 (10.2) | 65.6 (10.3) |
| Male | 57 (67) | 56 (63) |
| Mean (SD) Parsonnet score* | 9.7 (7.6) | 9.7 (7.5) |
| Diabetes mellitus | 19 (22) | 16 (18) |
| Previous myocardial infarction | 21 (25) | 23 (26) |
| History of hypertension | 30 (35) | 33 (37) |
| Taking angiotensin converting enzyme inhibitor or diuretic | 30 (35) | 28 (31) |
| Elective surgery | 71 (84) | 78 (88) |
| Type of surgery: | ||
| Coronary artery bypass graft | 51 (60) | 53 (60) |
| Repeat coronary artery bypass graft | 2 (2) | 2 (2) |
| Valve replacement | 22 (26) | 23 (26) |
| Coronary artery bypass graft and valve replacement | 10 (12) | 9 (10) |
| Other | 0 | 2 (2) |
*
Risk related to cardiac surgery: 0-4 (good) to ≥20 (extremely high).