Pain at rest

Groups

Mean difference

Standard error

95% CI

P value

24-hour

L*

K^†

6.40

9.28

−17.82, 30.62

0.90

KL^‡

−5.54

9.20

−29.56, 18.47

0.93

P^§

7.57

9.20

−16.45, 31.47

0.84

K

KL

−11.94

9.12

−35.73, 11.85

0.56

P

1.16

9.12

−22.63, 24.95

0.99

KL

P

13.11

9.04

−10.47, 36.69

0.47

48-hour

L

K

2.22

8.99

−21.23, 25.67

0.99

KL

−1.22

8.91

−24.48, 22.02

0.99

P

−4.23

8.91

−27.48, 19.02

0.96

K

KL

−3.45

8.83

−26.48, 19.59

0.98

P

−6.45

8.83

−29.48, 16.58

0.89

KL

P

−3.01

8.75

−25.84, 19.82

0.99

72-hour

L

K

3.74

7.77

−16.54, 24.01

0.96

KL

−4.13

7.70

−24.23, 15.97

0.95

P

−4.44

7.70

−24.54, 15.65

0.94

K

KL

−7.86

7.63

−27.77, 12.05

0.73

P

−8.18

7.63

−28.09, 11.73

0.71

KL

P

−3.16

7.56

−20.05, 19.42

0.99

Total use

L

K

12.35

21.49

−43.71, 68.42

0.94

KL

−10.90

21.30

−66.48, 44.69

0.96

P

−1.11

21.30

−56.70, 54.47

0.92

K

KL

−23.25

21.11

−78.32, 31.82

0.69

P

−13.47

21.11

−68.53, 41.60

0.92

KL

P

9.79

20.92

−44.80, 64.37

0.97