Table 2 Comparison of rest and activity VAS scores at various time points 3 days after surgery among the three groups of patients (\(\:\stackrel{-}{x}\pm\:\text{s}\) ).

Rest

After awakening

3.30 ± 0.86

1.41 ± 0.84^ac

1.07 ± 0.67^ac

3 h after surgery

2.81 ± 0.79^b

1.46 ± 0.71^abc

1.35 ± 0.78^abc

6 h after surgery

2.95 ± 0.87^b

1.49 ± 0.68^abc

1.33 ± 0.81^abc

12 h after surgery

3.37 ± 0.87^c

1.88 ± 0.81^a

1.67 ± 0.87^a

24 h after surgery

3.44 ± 0.91^c

2.12 ± 0.78^a

1.88 ± 1.00^a

48 h after surgery

3.05 ± 0.84

2.02 ± 1.06^a

1.67 ± 0.75^a

72 h after surgery

2.51 ± 0.91^bc

1.39 ± 0.77^abc

1.20 ± 0.64^abc

Activity

After awakening

4.23 ± 0.92

2.27 ± 0.92^a

1.79 ± 0.77^ac

3 h after surgery

3.70 ± 0.71^b

2.17 ± 0.89^ac

1.74 ± 0.90^ac

6 h after surgery

3.84 ± 0.81^b

2.07 ± 0.88^ac

2.05 ± 0.95^ac

12 h after surgery

4.16 ± 0.84

2.39 ± 1.05^a

2.40 ± 0.90^ab

24 h after surgery

4.35 ± 1.09^c

2.80 ± 1.15^ab

2.49 ± 1.10^ab

48 h after surgery

3.91 ± 1.02

2.59 ± 1.22^a

2.49 ± 0.91^ab

72 h after surgery

3.33 ± 0.97^bc

1.98 ± 0.82^ac

1.84 ± 0.72^ac