number

duration (minutes)

disability (0 to 5)

pain intensity (0 to 10)

t₀

t₁

p value

t₀

t₁

p value

t₀

t₁

p value

t₀

t₁

p value

438

48

<0.001

42 ± 1.2

18 ± 1.1

<0.001

4

1

<0.001

7 ± 1.3

4.2 ± 0.9

<0.001