Table 3 Slip reduction and fusion rate of spondylolisthesis
Parameters | PLIF group (n = 46) | TLIF group (n = 48) | P value | |
|---|---|---|---|---|
Degree of spondylolisthesis | ||||
Preoperative (%) | 22.37 ± 10.20 | 18.08 ± 6.42 | 0.4968 | |
Postoperative (%) | 8.24 ± 5.32 | 8.71 ± 3.98 | 0.4511 | |
Slip reduction (%) | 64.68 ± 10.87 | 51.79 ± 13.59 | 0.1160 | |
Fusion rate | ||||
Grade I | Number | 31 | 32 | |
Rate % | 67.4 | 66.7 | ||
Grade II | Number | 15 | 16 | |
Rate % | 32.6 | 33.3 | ||