Control group

Ropivacaine group

Combination group

Age (years)

73.5 ± 8.9

73.3 ± 9.2

74.5 ± 8.4

Gender (M:F)

7:13

6:14

8:12

Weight (Kg)

85.9 ± 3.6

86.3 ± 4.7

87.2 ± 3.7

Height (cm)

167 ± 4.8

167.4 ± 4.7

166.8 ± 4.8

Duration of symptom (years)

12.6 ± 3.7

13.7 ± 3.5

12.8 ± 3.8