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)

*Statistically significant differences (95% CIs > 1.0) are bolded.

Laird et al.

Laird et al. BMC Musculoskeletal Disorders 2014 15:229   doi:10.1186/1471-2474-15-229

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