Table 5 Assessment of analgesia quality and comfort level at multiple postoperative time points in four groups (n = 75 per group)

1.75 ± 0.13

1.77 ± 0.13

1.77 ± 0.12

1.76 ± 0.13

1.75 ± 0.12

1.76 ± 0.12

1.77 ± 0.11

1.76 ± 0.12

1.78 ± 0.14

1.76 ± 0.13

1.77 ± 0.14

1.76 ± 0.13

1.77 ± 0.11

1.78 ± 0.12

1.75 ± 0.12

1.77 ± 0.13

1.78 ± 0.11

1.77 ± 0.12

1.76 ± 0.14

1.77 ± 0.13

1.78 ± 0.14

1.77 ± 0.11

1.76 ± 0.12

1.76 ± 0.13

1.76 ± 0.14

1.75 ± 0.13

1.76 ± 0.11

1.78 ± 0.11

3.88 ± 0.10

3.86 ± 0.12

3.87 ± 0.09

3.87 ± 0.07

3.87 ± 0.08

3.89 ± 0.10

3.88 ± 0.07

3.86 ± 0.12

3.85 ± 0.13

3.87 ± 0.12

3.86 ± 0.10

3.86 ± 0.11

3.88 ± 0.11

3.89 ± 0.10

3.87 ± 0.13

3.87 ± 0.10

3.86 ± 0.10

3.87 ± 0.10

3.87 ± 0.08

3.87 ± 0.10

3.88 ± 0.09

3.87 ± 0.11

3.86 ± 0.13

3.86 ± 0.11

3.86 ± 0.12

3.87 ± 0.12

3.88 ± 0.11

3.88 ± 0.10