Table 2.
Surgical data of paired groups
| Characteristics | OPCABG (n = 172) | MICS (n = 172) | P value |
|---|---|---|---|
| Total operation time (min) | 215.9 ± 48.8 | 308.6 ± 77.9 | < 0.001 |
| LITA use | 161 (94) | 164 (95) | 0.479 |
| LAD | 170 (99) | 166 (97) | 0.283 |
| Diag | 51(30) | 80 (47) | 0.001 |
| Ramus | 15 (8.7) | 13 (7.6) | 0.693 |
| OM | 131 (76) | 122 (71) | 0.271 |
| PLA | 15 (89) | 21 (12) | 0.291 |
| PDA | 115 (67) | 85 (49) | 0.001 |
| RCA | 25 (14.5) | 12 (7.0) | 0.024 |
| Endarterectomy | 7 (4.1) | 3 (1.7) | 0.336 |
| Conversion to CPB | 6 (3.4) | 3 (1.7) | 0.494 |
| Conversion to sternotomy | – | 1 (0.6) | – |
| Intraoperative bleeding (ml) | 743.8 ± 428.3 | 720.83 ± 325.1 | 0.677 |
| Postoperative drainage (ml) | 453.7 ± 253.2 | 407.5 ± 267.8 | 0.101 |
| Next day postoperative hemoglobin (g/L) | 107.1 ± 16.3 | 111.3 ± 16.3 | 0.044 |
| Combined procedure | 2 (1.2) | 3 (1.7) | 0.657 |
| Ventilation duration (hrs) | 18.7 ± 12.3 | 17.7 ± 13.4 | 0.643 |
| ICU duration (hrs) | 22.8 ± 15.4 | 21.54 ± 14.3 | 0.569 |
Data are depicted as number and percentage or mean ± SD
LAD left anterior descending artery, Diag diagonal branch, OM obtuse marginal branch, PLA posterior branch of left ventricle, PDA posterior descending artery, RCA right coronary artery, CPB cardiopulmonary bypass