Group 0.075

n = 65

Group 0.1

n = 63

Group 0.15

n = 66

NRS - Rest at 6 h

1.2 ± 2.1

1.4 ± 1.8

1.3 ± 2.3

NRS - On movement at 6 h

3.9 ± 2.5*

4.2 ± 2.3*

3.6 ± 2.8*

NRS - Rest at 24 h

1.9 ± 2.5

1.8 ± 2.3

1.3 ± 2.2

NRS - On movement at 24 h

4.5 ± 2.5**

4.5 ± 2.8**

4.2 ± 2.5**

Intravenous tramadol used 0 - 24 h

10 (13.8)

3 (4.7)

7 (10.6)

Overall satisfaction with pain relief

Very unsatisfied/unsatisfied

17 (26.2)

11 (17.5)

8 (12.2)

Satisfied/very satisfied

48 (73.8)

52 (82.5)

58 (87.8)