Table 1 Patient demographics and operative parameters in both groups
From: Non-infectious sternal dehiscence after coronary artery bypass surgery
Variables | Intact sternum (n = 2260) | NISD (n = 20) | p value |
|---|---|---|---|
Age, years (Mean, SD) | 67 (9.3) | 72 (8.9) | 0.02 |
Female | 394 (17.4) | 4 (20.0) | 0.99 |
BMI, kg/m2 | 27.8 [25.4, 30.9] | 31.4 [28.0, 34.6] | 0.004 |
History of Smoking | 1555 (68.9) | 16 (80.0) | 0.40 |
Hypertension | 1483 (65.9) | 15 (75.0) | 0.54 |
Diabetes | 411 (18.3) | 7 (35.0) | 0.10 |
Hyperlipidemia | 1224 (55.6) | 9 (45.0) | 0.47 |
COPD | 162 (7.2) | 5 (25.0) | 0.009 |
History of MI | 546 (24.2) | 12 (60.0) | 0.001 |
History of cardiac arrhythmia | 258 (11.4) | 1 (5.0) | 0.58 |
Heart failure | 184 (8.1) | 4 (20.0) | 0.13 |
Valvular disease | 82 (3.6) | 1 (5.0) | 1.0 |
Previous PCI | 533 (23.6) | 6 (30.0) | 0.69 |
Hemoglobin, g/L | 142 [132, 151] | 143 [136, 147] | 0.99 |
eGFR, ml/min/1.73m2 | 76.4 (20.4) | 69.8 (19.8) | 0.15 |
EuroSCORE II | 1.4 [0.9, 2.5] | 2.5 [1.3, 5.6] | 0.009 |
CSS class 4 | 907 (40.1) | 13 (65.0) | 0.04 |
NYHA class IV | 385 (17.0) | 7 (35.0) | 0.07 |
LVEF, % | 55 [50, 60] | 50 [40, 55] | 0.001 |
3-vessel disease | 2018 (89.3) | 20 (100.0) | 0.24 |
Left main stem disease | 944 (41.8) | 8 (40.0) | 1.0 |
Off-pump CABG | 401 (17.7) | 3 (15.0) | 0.98 |
Acute or semi-acute surgery | 1238 (54.8) | 11 (55.0) | 0.99 |
ECC time, min | 87 [71, 107] | 90 [77, 98] | 0.93 |
Cross-clamp time, min | 46 [37, 58] | 42 [37, 49] | 0.09 |
LIMA-graft used | 2134 (94.5) | 18 (90.0) | 0.70 |
Number of distal anastomoses | 3.4 (0.9) | 3.6 (0.8) | 0.44 |
IABP used intra- or postoperatively | 96 (4.2) | 4 (20.0) | 0.004 |