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Table 3 Statistical significance of differences between the two groups of subjects

From: Quantifying dimensions of physical behavior in chronic pain conditions

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 %)