Table 3.
Statistical significance of differences between the two groups of subjects
| Clinical variables & PA metrics | Mild pain (n = 34) |
Moderate to severe pain (n = 58) |
p-val | Effect size: Cohen’s d (% of non-overlap between groups) |
|---|---|---|---|---|
| Pain intensity (VAS) | 1.3 ± 1.5 | 6.8 ± 1.4 | 1.2e-15 | 3.60 (100 %) |
| Age(yrs) | 64 ± 14 | 62 ± 13 | 0.47 | 0.13 (8 %) |
| Activity (%) | 41 ± 17 | 34.5 ± 14 | 0.0009 | 0.78 (~47.1 %) |
| Walking (%) | 9.5 ± 6 | 6.5 ± 4 | 0.001 | 0.75 (~45.4 %) |
| q.975 actv. (min) | 37 ± 17 | 26 ± 12 | 0.002 | 0.73 (~44 %) |
| KS dist. | 0.1 ± 0.07 | 0.2 ± 0.12 | 0.0007 | 0.84 (~48 %) |
| Entropy 1 | 0.52 ± 0.11 | 0.42 ± 0.10 | 0.001 | 0.79 (~47.2) |
| Entropy 2 | 0.045 ± 0.02 | 0.03 ± 0.01 | 0.0004 | 0.82 (~47.8) |
| Entropy 3 | 0.51 ± 0.40 | 0.28 ± 0.20 | 0.001 | 0.80 (47.4 %) |
| Composite score ‘Mobility’ | 0.62 ± 0.73 | −0.36 ± 0.96 | 0.0004 | 1.10 (58.9 %) |
| Composite score ‘Complexity’ | 0.45 ± 0.9 | −0.26 ± 0.71 | 0.0007 | 0.81 (~47.5 %) |
|
Global composite score
‘Mobility & Complexity’ |
1.08 ± 1.5 | −0.63 ± 1.60 | 1.1e-5 | 1.15 (~60 %) |