表 5.

Comparison of perioperative complications between the two groups (%)

两组患者相关并发症比较（%）

组别 Group	例数 n	切口感染 Incision infection	肺部感染 Pulmonary infection	硬脊膜损伤 Dural laceration	健侧神经损伤 Nerve injury on the operation side	患侧神经损伤 Nerve injury on the opposite side
改良 TLIF 组 Modified TLIF group	54	2 (3.7)	1 (1.9)	0 (0)	3 (5.6)	0 (0)
PLIF 组 PLIF group	52	3 (5.8)	3 (5.8)	4 (7.7)	0 (0)	8 (15.4)
统计值 Statistic		χ2=0.002 P=0.966	χ2=0.301 P=0.584	P=0.054	P=0.129	P=0.002