Table 3 Differences between the LBP and NoLBP in within-group variability on each movement characteristic and ratios of n-weighted mean coefficients of variation
Movement Characteristic (number of comparisons) | LBP group coefficient of variation | N | NoLBP group coefficient of variation | n | Ratio of coefficients of variation (95% CI) |
|---|---|---|---|---|---|
Lordosis angle (8) | 33.1% | 818 | 34.6% | 745 | 0.96 (0.83 to 1.10) |
Flexion ROM* (18) | 35.1% | 913 | 26.8% | 778 | 1.31 (1.13 to 1.51) |
Extension ROM (12) | 41.5% | 485 | 47.2% | 515 | 0.88 (0.76 to 1.01) |
Lateral flexion ROM (9) | 52.6% | 751 | 40.1% | 614 | 1.31 (1.17 to 1.48) |
Rotation ROM* (10) | 34.3% | 827 | 28.7% | 590 | 1.20 (1.02 to 1.40) |
Lumbar vs hip (6) | 51.2% | 111 | 42.8% | 74 | 1.2 (0.87 to 1.65) |
Speed/acceleration* (8) | 54.7% | 602 | 42.6% | 475 | 1.28 (1.13 to 1.46) |
Proprioception (13) | 53.9% | 435 | 53.2% | 229 | 1.01 (0.87 to 1.18) |