Table 1.
Questionnaire scores and clinical characteristics of the lumbar discectomy patients
| Discectomy, no pain | Discectomy with pain | P-value | ||
|---|---|---|---|---|
| N | 18 | 18 | ||
| Gender | male | 8 | 8 | |
| female | 10 | 10 | ||
| Age (yrs) | Mean (SD) | 44.39 (± 9.27) | 49.72 (± 9.33) | 0.094 |
| BMI1 ((%) | Mean (SD) | 25.74 (± 3.36) | 26.02 (± 3.36) | 0.807 |
| Pain on VAS2 (cm) | Mean (SD) | 0.69 (± 0.65) | 4.7 (± 1.5) | <0.001 |
| Radicular pain | 11 | |||
| Low back pain | 7 | |||
| Time since surgery (months) | Mean (SD) | 56.00 (± 18.72) | 61.50 (± 14.40) | 0.405 |
| Duration pain before operation (months) | Mean (SD) | 57.06 (± 78.25) | 62.12 (± 58.09) | 0.427 |
| motor | No paresis | 16 | 13 | |
| paresis | 2 | 5 | ||
| sensibility | Normal | 12 | 12 | |
| Abnormal | 6 | 6 | ||
| Reflexes | Normal | 15 | 12 | |
| Abnormal | 3 | 6 | ||
| Lasègue | Positive | 0 | 3 | |
| Negative | 18 | 15 | ||
| Kemp | Positive | 1 | 5 | |
| Negative | 17 | 13 | ||
| Slump | Positive | 3 | 5 | |
| Negative | 15 | 13 | ||
| QBPDS 3 | Mean (SD) Min-max |
14.41 (± 10.81) 0-36 |
41.72 (± 18.18) 16-75 |
<0.001 |
| MPI 4 | Mean (SD) Min-max |
45.71(± 16.12) 17-83 |
75.69 (± 20.68) 45-108 |
<0.001 |
| TAMPA | Mean (SD) Min-max |
33.50 (± 9.71) 10-47 |
39.56 (± 6.33) 27-49 |
0.041 |
1Body Mass Index; 2 Visual Analogue Scale; 3 Quebec Back Pain Disability Scale; 4Multidimensional Pain Inventory