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Comparison of intraoperative conditions
| Parameter | No occurred (n = 676) | Occurred (n = 101) | t/χ2 | P |
|---|---|---|---|---|
| Time of flap preparation (min) | 79.47 ± 11.78 | 80.56 ± 12.02 | 0.868 | 0.385 |
| Survival (Yes: 1/No: 0) [n (%)] | 646 (95.56) | 85 (84.16) | 20.517 | < 0.001 |
| Flap size (cm2) | 37.45 ± 3.87 | 36.67 ± 4.12 | 1.878 | 0.061 |
| Postoperative time (d) | 28.36 ± 6.55 | 29.12 ± 5.87 | 1.107 | 0.268 |
| Bleeding volume | 223.48 ± 19.73 | 219.49 ± 20.12 | 1.889 | 0.059 |
