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Sample description.
| Total sample (n = 78) | Healthy controls (n = 53) | Low back pain patients (n = 25) | p | |
|---|---|---|---|---|
| Sex: female, n (%) | 31 (40%) | 23 (43%) | 8 (32%) | 0.3371 |
| Age (years), mean (SD) | 30.7 (±15.3) | 20.7 (±3.1) | 51.8 (±6.9) | <0.001 2∗ |
| Body mass index (kg/m2), mean (SD) | 25.8 (±5.2) | 24.1 (±4.5) | 29.4 (±4.9) | <0.001 2∗ |
1Chi-square test; 2Mann-Whitney U test; ∗statistically significant at the significance level p < 0.05.
