Table 3.
Preliminary analysis to ensure matching of ERACS and control groups.
| Demographics and medical characteristics | Control
group N = 103 |
ERACS
group N = 100 |
Comparison between groups |
|---|---|---|---|
| Age mean ± SD [range] |
64.08 ± 9.70 [41–85] |
63.07 ± 10.70 [34–85] |
t(201) = 2.10, p = 0.037 |
| Patient gender, n
(%) Male Female |
69 (67%) 34 (33%) |
82 (82%) 18 (18%) |
χ²(1) = 5.32, p = 0.021 |
| Body mass index
(BMI), M ± SD [range] |
30.24 ± 5.79 [18.87–52.44] |
29.50 ± 5.61 [19.62–50.07] |
t(201) = 0.92 p = 0.36 |
| Comorbidities (n and %) | |||
| Hypertension | 76 (74%) | 64 (64%) | χ²(1) = 2.27, p = 0.13 |
| Diabetes | 31 (30%) | 27 (27%) | χ²(1) = 0.24, p = 0.63 |
| Peripheral vascular disease (PVD) | 9 (9%) | 2 (2%) | Fisher's exact p = 0.06 |
| Chronic obstructive pulmonary disease (COPD) | 15 (15%) | 12 (12%) | χ²(1) = 0.29, p = 0.59 |
| Atrial fibrillation (AF) | 8 (8%) | 5 (5%) | χ²(1) = 0.65, p = 0.42 |
| Type of surgery (n and %) | |||
| Aortic valve replacement (AVR) |
26 (25%) | 26 (26%) | |
| Coronary artery bypass graft (CABG) | 69 (67%) | 56 (56%) | |
| AVR + CABG | 3 | 4 (4%) | |
| Mitral valve surgery (MVR) | 3 | 5 (5%) | |
| Tricuspid valve surgery (TVR) | 1 | 5 (5%) | |
| Others | 1 | 4 (4%) | |
| Cardiopulmonary bypass (CPB) time (min) | 106.15 ± 32.76 [41–207] Med = 101 (87–121) |
107.86 ± 33.81 [37–194] Med = 104 (80–128) |
M-W p = 0.79 ANCOVA p = 0.92 QR p = 0.52 |
| Aortic cross-clamp time (AOX) | 80.94 ± 28.35 [29–150] Med = 78(65–91) |
82.19 ± 28.11 [20–150] Med = 81 (60–90) |
M-W p = 0.54 ANCOVA p = 0.91 QR = .82 |
Note: No statistical analysis was conducted to compare surgery types between the groups.