Table 5 Baseline characteristics and outcomes for propensity-matched groupsa
Characteristics | No inotropes (n= 123) | Inotropes (n= 123) | Pvalue |
|---|---|---|---|
Demographics | Â | Â | Â |
   Mean age (± SD) | 67.2 (11.5) | 67.3 (10.9) | 0.97 |
   Age ≥ 80 years, n (%) | 18 (14.6) | 14 (11.4) | 0.45 |
   Females, n (%) | 49 (39.8) | 43 (5.0) | 0.48 |
Medical history, n (%) | Â | Â | Â |
   Prior cardiac surgery | 5 (4.1) | 6 (4.9) | 1.0 |
   Hypertension | 84 (68.3) | 78 (63.4) | 0.53 |
   Diabetes | 40 (32.5) | 43 (35.0) | 0.78 |
   Atrial fibrillation | 17 (13.8) | 15 (12.2) | 0.84 |
   Preoperative hospitalisation for CHF | 20 (16.3) | 11 (8.9) | 0.12 |
   Preoperative renal dysfunction | 9 (7.3) | 10 (8.1) | 1.0 |
   Preoperative dialysis | 1 (0) | 0 (0.8) | 0.32 |
   LVEF < 30% | 25 (20.3) | 25 (20.3) | 1.0 |
Mean LVEF (± SD) | 50.6 (13.9) | 45.8 (15.2) | 0.02 |
Procedure-related variables | Â | Â | Â |
   Mean Parsonnet score (± SD) | 14.1 (8.7) | 14.4 (9.2) | 0.78 |
   CABG only, n (%) | 82 (66.7) | 85 (69.1) | 0.80 |
   Other procedure, n (%) | 41 (33.3) | 38 (30.9) | 0.80 |
   Perioperative IABP, n (%) | 3 (2.4) | 4 (3.2) | 1.0 |
   Emergency operation, n (%) | 14 (11.4) | 17 (13.8) | 0.70 |
   Reoperation, n (%) | 4 (3.3) | 9 (7.9) | 0.23 |
   Mean bypass time, minutes (± SD) | 99.3 (28.7) | 98.6 (32.9) | 0.83 |
   Severe postoperative bleeding, n(%) | 2 (1.6) | 6 (4.9) | 0.29 |
Outcomes | Â | Â | Â |
   Died, n (%) | 1 (0.8) | 10 (8.1) | 0.01 |
   Renal dysfunction, n (%) | 2 (1.6) | 12 (9.8) | 0.01 |
   Median ICU length of stay (IQR) | 1.0 (0.9,1.8) | 1.8 (0.9,3.2) | < 0.0001 |
   Median hospital length of stay (IQR) | 8.0 (6.0,11.0) | 9.0 (6.0,18.0) | 0.03 |