组别 | 术后住院天数 | 术后并发症n (%) | 远期预后不良n (%) |
Bell-II期组 | 20 ± 5.01 | 2 (7.4) | 1 (3.7) |
Bell-III期组 | 29.55 ± 22 | 9 (28.1) | 7 (21.9) |
t/χ2 | −3.10 | 3.93 | 2.02 |
P | 0.002 | 0.048 | 0.046 |