Table 5 Comparison of the two groups in terms of change in VAS over time

T1 (0 min)

2.28 (0.46)

2.31 (0.47)

0.793

T2 (45 min)

2.81 (0.64)

3.47 (0.88)

0.002

T3 (2 h)

2.81 (0.64)

3.47(0.88)

0.002

T4 (4 h)

2.25 (0.44)

2.34 (0.48)

0.420

T5 (6 h)

2.25 (0.44)

2.34 (0.48)

0.420

T6 (8 h)

2.12 (0.42)

2.19 (0.54)

0.682

P value for change in VAS over time within each group (Friedman test)

<0.001

<0.001

Overall P value for comparison of the change in VAS over time between the two groups

<0.001