Group A (PLF), N = 19 | Group B (PLIF), N = 19 | P | |
Pain (VAS score ), mean ± SD 1 month post-operative 6 months post-operative |
3.11 ± 1.1 1.95 ± 1.3 |
3.32 ± 1.1 1.68 ± 0.7 |
0.56 0.44 |
Muscle weakness post-operative No Grade 5- |
18 (94.7%) 1 (5.3%) |
17 (89.5%) 2 (10.5%) | 1 |
Complication No CSF leak Back Pain Break down of one screw Wound infection Compression of nerve root with pedicle screw Nerve root compression during cage insertion |
15 (79%) 1 (5.2%) 1 (5.2%) 1 (5.2%) 1 (5.2%) 0 (0%) 0 (0%) |
17 (89.5%) 1 (5.2%) 0 (0%) 0 (0%) 0 (0%) 1 (5.2%) 1 (5.2%) | 1 |
Arthrodesis after 6 months No Yes |
7 (36.8%) 12 (63.2%) |
3 (15.8%) 16 (84.2%) | 0.14 |
Arthrodesis after 1 year No Yes |
1 (5.2%) 18 (94.8%) |
0 (0%) 19 (100%) | 1 |