Table 3 Clinical outcomes
Variables | Group LPSF (n = 30) | Group LCF (n = 33) | P value |
|---|---|---|---|
JOA score | |||
Preoperative | 8.9 ± 2.3 | 9.3 ± 2.5 | 0.481 |
Final | 14.1 ± 2.5 | 14.5 ± 2.0 | 0.579 |
Recovery rate (%) | 66.8 ± 25.7 | 66.1 ± 26.9 | 0.968 |
VAS score | |||
Preoperative | 5.0 ± 2.2 | 4.2 ± 1.9 | 0.148 |
Final | 1.6 ± 1.1 | 1.7 ± 1.4 | 0.722 |
NDI score | |||
Preoperative | 17.3 ± 9.5 | 18.7 ± 6.9 | 0.495 |
Final | 10.9 ± 5.6 | 11.9 ± 5.1 | 0.432 |
Blood loss (ml) | 313.8 ± 88.4 | 387.5 ± 127.8 | 0.011 |
Operating time (min) | 126.3 ± 27.1 | 145.4 ± 38.6 | 0.028 |
Length of stay (days) | 5.8 ± 1.3 | 7.1 ± 1.5 | < 0.001 |
Complications (n) | |||
Nerve root palsy | 1 | 8 | 0.018 |
Superficial wound infection | 2 | 3 | 1.000 |
CSF leakage | 1 | 2 | 1.000 |
Instrumentation failure | 0 | 0 | NA |
Reoperation | 0 | 0 | NA |
Cost (RMB) | 71.9 ± 11.2 | 78.6 ± 9.4 | 0.013 |