Table 2.
Clinical outcomes according to gender
| Variable | Preoperative |
Postoperative |
||||
|---|---|---|---|---|---|---|
| Men | Women | p-value | Men | Women | p-value | |
| JOA score | 16.5±4.56 | 15.3±4.61 | 0.17 | 26.1±2.72 | 25.2±3.31 | 0.09 |
| JOA recovery rate (%) | - | - | 76.8±20.4 | 71.1±23.2 | 0.16 | |
| Numerical rating scale | ||||||
| Low back pain | 5.35±2.70 | 6.47±2.06 | 0.02* | 2.46±2.34 | 2.71±2.24 | 0.57 |
| Leg pain | 5.70±2.84 | 6.42±2.61 | 0.16 | 2.00±2.30 | 2.11±1.93 | 0.79 |
| Leg numbness | 5.53±2.77 | 6.08±2.71 | 0.29 | 1.95±2.15 | 2.09±2.36 | 0.74 |
| Zurich Claudication Questionnaire | ||||||
| Physical function | 21.0±4.43 | 22.1±5.51 | 0.35 | 14.1±4.67 | 14.9±4.62 | 0.38 |
| Symptom severity | 13.2±3.46 | 13.3±3.40 | 0.82 | 8.33±2.83 | 8.20±2.55 | 0.79 |
| Patient satisfaction | - | - | 11.6±4.18 | 10.7±3.94 | 0.22 | |
Values are presented as number or mean±standard deviation.
JOA, Japanese Orthopedic Association.
*
p <0.05.