Table 2.
Baseline demographics and clinical characteristics.
| Patient characteristics | Disc provocation-positive patients | Disc provocation-negative patients | P-value |
|---|---|---|---|
| Gender (n) | Female (6) | Female (3) | 1.0a |
| Male (7) | Male (2) | ||
| Age, median (min-max) | 63 (33–78) | 57 (40–77) | 0.891b |
| On Percocet (1–3 tab. p.r.n), n (%) | 10 (76.9%) | 3 (60%) | 0.583a |
| VAS, mean (SD) | 6 (1.87) | 8 (1.58) | 0.051b |
| BPI, mean (SD) | 48.62 (14.71) | 60.8 (13.23) | 0.126b |
| SF-12, mean (SD) | 56.15 (24.03) | 42.8 (23.91) | 0.306b |
| Pain provocation test score per disc, n (%) | P1, 9 (40.91%) | P2, 5 (100%) | |
| P3, 13 (59.09%) | |||
| Disc quality, n (%) | 2, 2 (9.09%) | 1, 5 (100%) | |
| 3, 5 (22.73%) | |||
| 4, 7 (31.82%) | |||
| 5, 8 (36.36%) |
a
Chi-Square-test (2-sided).
b
Independent samples t-test (2-tailed).