Table 4.
Procedural Details and Perioperative Complications by Age
| Variable | Baseline Age Quartiles | P-value for Trend | |||
|---|---|---|---|---|---|
| Q1 (Age≤54 years) (n=149) | Q2 (54<Age≤60 years) (n=127) | Q3 (60<Age≤67 years) (n=131) | Q4 (Age>67 years) (n=148) | ||
| Number of conduits: | |||||
| 1 | 26(17%) | 10(8%) | 15(12%) | 18(12%) | 0.284 |
| 2 | 49(33%) | 37(29%) | 42(32%) | 47(32%) | 0.958 |
| 3 | 60(40%) | 60(47%) | 52(40%) | 64(43%) | 0.894 |
| ≥4 | 14(9%) | 20(16%) | 22(17%) | 19(13%) | 0.362 |
| Number of arterial conduits: | |||||
| 0 | 11(7%) | 9(7%) | 12(9%) | 18(12%) | 0.123 |
| 1 | 123(83%) | 104(82%) | 104(79%) | 115(78%) | 0.249 |
| ≥2 | 15(10%) | 14(11%) | 15(12%) | 15(10%) | 0.957 |
| Number of distal anastomoses: | |||||
| 0 | 2(1%) | 2(2%) | 2(2%) | 1(1%) | 0.631 |
| 1 | 23(15%) | 10(8%) | 14(11%) | 16(11%) | 0.319 |
| 2 | 41(28%) | 27(21%) | 30(23%) | 30(20%) | 0.185 |
| 3 | 57(38%) | 55(43%) | 50(39%) | 59(40%) | 0.982 |
| 4 | 22(15%) | 23(18%) | 22(17%) | 31(21%) | 0.211 |
| ≥5 | 4(3%) | 10(8%) | 12(9%) | 11(7%) | 0.090 |
| Off-pump surgery | 40(27%) | 24(19%) | 25(19%) | 27(18%) | 0.083 |
| Total minutes on cardiopulmonary bypass | 83(63,110) | 92(72,125) | 93(66,110) | 89(70,126) | 0.425 |
| Cross—clamp time in minutes | 50(33,67) | 55(41,79) | 54(35,72) | 56(39,80) | 0.203 |
| Intensive Care Unit length of stay in hours | 52(43,87) | 61(42,94) | 49(27,97) | 65(40,112) | 0.337 |
| Perioperative complications | |||||
| Return to operating room | 7(5%) | 9(7%) | 7(5%) | 12(8%) | 0.326 |
| Mediastinitis | 3(2%) | 4(3%) | 2(2%) | 2(1%) | 0.516 |
| Other infection | 9(6%) | 10(8%) | 8(6%) | 19(13%) | 0.061 |
| New onset Atrial Fibrillation | 10(7%) | 20(16%) | 22(17%) | 38(26%) | <0.001 |
| Worsening renal impairment | 2(1%) | 4(3%) | 12(9%) | 16(11%) | <0.001 |
| Intra-aortic balloon pump | 25(17%) | 22(17%) | 24(18%) | 18(12%) | 0.335 |
| Inotrope Use | 45(30%) | 44(35%) | 56(43%) | 71(48%) | <0.001 |
| Cardiac arrest requiring cardiopulmonary resuscitation | 3(2%) | 3(2%) | 10(8%) | 7(5%) | 0.079 |
| Pulmonary edema requiring intubation | 3(2%) | 3(2%) | 4(3%) | 4(3%) | 0.640 |
| Mortality within 30 days after CABG | 3(2%) | 5(4%) | 10(8%) | 8(5%) | 0.081 |