组别

n

椎间隙高度(mm)

椎间孔高度(mm)

术后3 d

术后3个月

术后6个月

术后3 d

术后3个月

术后6个月

TLIF组

33

13.8 ± 1.1

12.5 ± 1.3

12.0 ± 1.1

23.0 ± 1.4

22.3 ± 1.4

22.1 ± 1.3

OLIF组

21

14.6 ± 1.6

13.5 ± 1.4

12.3 ± 1.4

23.9 ± 1.3

23.3 ± 1.2

22.5 ± 1.2

t值

2.138

2.592

0.820

2.317

2.666

0.898

P值

0.037

0.012

0.416

0.025

0.010

0.373