Table 1 The baseline characteristics of the original full data set and those of the study sample
Variable | Original study N = 244 | This study N = 129 |
|---|---|---|
Age, median (IQR) | 43 (35–53) | 46 (36–54) |
Gender, % female | 48 | 50 |
Pain, VAS, 1–10, median (IQR) | 4.0 (3–6) | 4.0 (3–6) |
Leg pain, % | 49.3 | 47.2 |
Duration of LBP > 30 days % | 58.4 | 55.0 |
Health-related quality of life: | ||
EQ-5D mean (SD) | 0.715 (0.21) | 0.734 (0.20) |
General Health median (IQR) | 2 (2–3) | 2 (2–3) |