Table 2.
Questionnaire scores and clinical characteristics of the lumbar discectomy patients
| Discectomy, no pain | Discectomy with pain | P-value | ||
|---|---|---|---|---|
| N | 15 | 23 | ||
| Pain on VAS | Mean | 0.467, s.d.=0.58 | 3.7, s.d.=1.35 | |
| Range | 0–1.5 | 2–6 | 0<0.001 | |
| Radicular pain | 12 | |||
| Low back pain | 11 | |||
| Time since surgery (months) | 59, s.d.=13 | 66, s.d.=12 | 0.16 | |
| Motor | No paresis | 14 | 17 | 0.60 |
| Paresis | 1 | 5 | ||
| Sensibility | Normal | 11 | 9 | 0.52 |
| Abnormal | 4 | 12 | ||
| Reflexes | Normal | 12 | 8 | 0.093 |
| Abnormal | 2 | 12 | ||
| Lasègue | Positive | 0 | 4 | 0.073 |
| Negative | 15 | 18 | ||
| Kemp | Positive | 3 | 3 | 0.21 |
| Negative | 12 | 17 | ||
| Slump | Positive | 1 | 5 | 0.43 |
| Negative | 14 | 17 | ||
| Quebec | Mean | 14.47, s.d.=11.7 | 31.65, s.d. 15.8 | 0.001 |
| Range | 0–36 | 5–61 | ||
| PCS | Mean | 10.46, s.d.=7.46 | 15.81, s.d.=8.17 | 0.065 |
| Range | 0–23 | 2–33 |