Table 3 Comparison of the indicators of clinical outcome between the two groups
Parameter | Obese (n = 28) | Control (n = 80) | p value |
|---|---|---|---|
VAS for lower back and leg pain, mean ± SD | |||
 Preoperative | 6.29 ± 1.36 | 6.49 ± 1.14 | 0.444 |
 1 day postoperative | 1.89 ± 1.20 | 1.89 ± 0.90 | 0.980 |
 3 months postoperative | 0.79 ± 1.34 | 0.50 ± 0.76 | 0.294 |
 Final follow-up | 0.50 ± 1.14 | 0.39 ± 0.75 | 0.557 |
ODI(%), mean ± SD | |||
 Preoperative | 58.36 ± 10.64 | 60.36 ± 9.56 | 0.356 |
 3 months postoperative | 8.29 ± 4.97 | 7.28 ± 2.13 | 0.305 |
 Final follow-up | 8.21 ± 5.30 | 7.51 ± 2.91 | 0.386 |
Modified MacNab, n (%) | Â | Â | 0.158 |
 Excellence | 22 (78.6) | 58 (72.5) |  |
 Good | 3 (10.7) | 19 (23.8) |  |
 Fair | 3 (10.7) | 3 (3.8) |  |
 Poor | 0 (0) | 0 (0) |  |
Clinical efficacy classification, n (%) | Â | Â | 0.365 |
 Excellence and good | 25 (89.3) | 77 (96.3) |  |
 Fair and poor | 3 (10.7) | 3 (3.8) |  |
Complications, n (%) | Â | Â | 0.095 |
 Intraoperative | 0 (0) | 0 (0) |  |
 Immediate postoperative | 1 (3.6) | 0 (0) |  |
 Late postoperative | 7 (25.0) | 12 (15.0) |  |
Recurrence, n (%) | Â | Â | 0.259 |
 Yes | 1 (3.6) | 0 (0) |  |
 No | 27 (96.4) | 80 (100) |  |