Table 1.
Baseline characteristics and surgical data
| No DD N = 112 |
Persistent DD N = 10 |
P value | |
|---|---|---|---|
| Baseline characteristic | |||
| Age, median [IQR] | 69 [59–75] | 65 [56–74] | 0.50a |
| Male sex, n/total N (%) | 88/112 (79%) | 8/10 (80%) | 1.00b |
| BMI (kg·m-2), median [IQR] | 25.6 [23.0–28.7] | 27.1 [23.4–35.6] | 0.26a |
| Diabetes, n/total N (%) | 33/112 (30%) | 5/10 (50%) | 0.32b |
| Dyslipidemia, n/total N (%) | 65/112 (58%) | 4/10 (40%) | 0.44b |
| Arterial hypertension, n/total N (%) | 67/112 (60%) | 6/10 (60%) | 0.74b |
| Smoker status, n/total N (%) | 46/112 (41%) | 4/10 (40%) | 0.79b |
| COPD, n/total N (%) | 16/112 (14%) | 0/10 (0%) | 0.36b |
| Surgery | |||
| Isolated CABG, n/total N (%) | 60/112 (54%) | 6/10 (60%) | 0.95b |
| Isolated valve surgery, n/total N (%) | 31/112 (28%) | 1/10 (10%) | 0.45b |
| AVR, n/total N (%) | 16/112 (14%) | 1/10 (10%) | 1.00b |
| MVR or MVP, n/total N (%) | 15/112 (13%) | 0/10 (0%) | 0.61b |
| Tricuspid valve surgery, n/total N (%) | 0/112 (0%) | 0/10 (0%) | - |
| Ascendant aortic surgery, n/total N (%) | 2/112 (2%) | 0/10 (0%) | 1.00b |
| AVR plus ascendant aortic surgery, n/total N (%) | 3/112 (3%) | 1/10 (10%) | 0.29b |
| Combined CABG + valve surgery, n/total N (%) | 7/112 (6%) | 1/10 (10%) | 0.51b |
| Combined valve surgery, n/total N (%) | 9/112 (8%) | 1/10 (10%) | 0.59b |
| Number of grafts, median [IQR] | 3 [2, 3] | 3 [2–4] | 0.39a |
| Left mammary artery, n/total N (%) | 66/112 (59%) | 7/10 (70%) | 0.73b |
| Right mammary artery, n/total N (%) | 59/112 (53%) | 5/10 (50%) | 0.87b |
| Saphenous vein, n/total N (%) | 1/112 (1%) | 0/10 (0%) | 1.00b |
| CPB time (min), median [IQR] | 73 [56–87] | 71 [59–118] | 0.61a |
| ACC time (min), median [IQR] | 59 [46–68] | 60 [52–95] | 0.32a |
| Pleural drains after surgery, n/total N (%) | 63/112 (56%) | 7/10 (70%) | 0.61b |
aMann–Whitney test
bFisher’s exact test
ACC = aortic cross clamping; AVR = aortic valve replacement; BMI = body mass index; CABG = coronary artery bypass grafting; CPB = cardiopulmonary bypass; DD = diaphragm dysfunction; IQR = interquartile range; MVP = mitral valvuloplasty; MVR = mitral valve replacement