Group A

Group B

P value

Count

%

Count

%

Pain 1 h

Y

9

36.0%

16

64.0%

0.048

N

16

64.0%

9

36.0%

Pain 6 h

Y

7

28.0%

16

64.0%

0.011

N

18

72.0%

9

36.0%

Pain 12 h

Y

5

20.0%

18

72.0%

<0.001

N

20

80.0%

7

28.0%

Pain 24 h

Y

20

80.0%

15

60.0%

0.123

N

5

20.0%

10

40.0%

Additional analgesia

Y

12

48.0%

14

56.0%

0.571

N

13

52.0%

11

44.0%