Table 3 Relationships between surgical complexity and postoperative complications
Complication outcome | Total sternotomy | Cardiopulmonary bypass use | Aorta cross clamp | Operative duration (min) | ||||
|---|---|---|---|---|---|---|---|---|
Yes(n = 590) | No(n = 148) | Yes(n = 714) | No(n = 24) | Yes(n = 687) | No(n = 51) | |||
Complication | Yes(n = 568) | 470(79.7%) | 98(66.2%) | 556(77.9%) | 12(50.0%) | 536(78.0%) | 32(62.7%) | 267.4 ± 92.6 |
No(n = 170) | 120(20.3%) | 50(33.8%) | 158(22.1%) | 12(50.0%) | 151(22.0%) | 19(37.3%) | 227.2 ± 70.9 | |
Statistic value | χ2 = 12.064, p<0.001 | χ2 = 10.174, p = 0.001 | χ2 = 6.248, p = 0.012 | F = 8.330, t= -6.007, p < 0.001 | ||||
Most severe complication (CDCC ≥ IIIb) | Yes(n = 76) | 69(11.7%) | 7(4.7%) | 74(10.4%) | 2(8.3%) | 70(10.2%) | 6(11.8%) | 342.0 ± 141.6 |
No(n = 662) | 521(88.3%) | 141(95.3%) | 640(89.6%) | 22(91.7%) | 617(89.8%) | 45(88.2%) | 248.5 ± 76.5 | |
Statistic value | χ2 = 0.621, p = 0.013 | χ2 = 0.000, p = 1.000a | χ2 = 0.128, p = 0.721 | F = 26.924, t= -5.667, p < 0.001 | ||||
MACCEs | Yes(n = 80) | 68(11.5%) | 12(8.1%) | 78(10.9%) | 2(8.3%) | 75(10.9%) | 5(9.8%) | 328.1 ± 144.8 |
No(n = 658) | 522(88.5%) | 136(91.9%) | 636(89.1%) | 22(91.7%) | 612(89.1%) | 46(90.2%) | 249.6 ± 76.7 | |
Statistic value | χ2 = 1.430, p = 0.232 | χ2 = 0.005, p = 0.946a | χ2 = 0.128, p = 0.721 | F = 46.120, t= -4.768, p < 0.001 | ||||
CCI | Mean ± SD | 24.0 ± 19.7 | 16.5 ± 16.6 | 22.9 ± 19.3 | 11.6 ± 17.4 | 23.0 ± 19.2 | 15.9 ± 19.7 | |
Statistic value | F = 0.888, t = 4.285, p<0.001 | F = 0.283, t= -2.837, p = 0.005 | F = 0.214, t = 2.525, p = 0.012 | r = 0.376, p < 0.001b | ||||
CDCC | 0(n = 170) | 120(20.3%) | 50(33.8%) | 158(22.1%) | 12(50.0%) | 151(22.0%) | 19(37.3%) | 227.2 ± 70.9 |
I(n = 101) | 77(13.1%) | 24(16.2%) | 95(16.1%) | 6(25.0%) | 89(13.0%) | 12(23.5%) | 245.0 ± 58.2 | |
II(n = 262) | 211(35.8%) | 51(34.5%) | 259(43.9%) | 3(12.5%) | 250(36.4%) | 12(23.5%) | 250.9 ± 76.3 | |
IIIa(n = 129) | 113(19.2%) | 16(10.8%) | 128(21.7%) | 1(4.2%) | 127(18.5%) | 2(3.9%) | 274.5 ± 87.8 | |
IIIb(n = 12) | 12(2.0%) | 0(0.0%) | 12(2.0%) | 0(0.0%) | 12(1.7%) | 0(0.0%) | 272.1 ± 76.9 | |
Iva(n = 39) | 34(5.8%) | 5(3.4%) | 38(6.4%) | 1(4.2%) | 35(5.1%) | 4(7.8%) | 319.5 ± 104.1 | |
IVb(n = 22) | 20(3.4%) | 2(1.4%) | 21(3.6%) | 1(4.2%) | 20(2.9%) | 2(3.9%) | 411.1 ± 194.7 | |
V(n = 3) | 3(0.5%) | 0(0.0%) | 3(0.5%) | 0(0.0%) | 3(0.4%) | 0(0.0%) | 408 ± 129.8 | |
Statistic value | Z= -4.501, p<0.001 | Z= -3.314, p = 0.001 | Z= -3.039, p = 0.002 | r = 0.301, p < 0.001c | ||||