表 3.
Incidence of surgery-related complications in 3 groups (%)
3组患者手术相关并发症发生情况(%)
| 组别 Group | 硬膜破裂 Dural rupture | 复发 Relapse | 感染 Infection | 血肿 Hematoma | 椎间盘囊肿 Disc cyst | 类脊髓高压症 Myeloid hypertension-like | 合计 Total | 
| FD | 9(5.6) | 7(4.4) | 12(7.5) | 4(2.5) | 0(0) | 0(0) | 32(20.0) | 
| PELD | 1(1.2) | 6(7.0) | 0(0) | 2(2.3) | 1(1.2) | 1(1.2) | 11(12.8) | 
| UBED | 4(4.0) | 2(2.0) | 0(0) | 1(1.0) | 0(0) | 0(0) | 7(6.9) | 
| 统计值 Statistic | χ2=2.693 P=0.276 | χ2=2.740 P=0.251 | χ2=12.822 P=0.001 | χ2=0.787 P=0.790 | χ2=2.523 P=0.248 | χ2=2.523 P=0.248 | χ2=8.818 P=0.012 |