Table 3 The mean ± SD for the pre- and post-operative measurements of the study outcomes and their paired samples t-test (N = 30)

Weight (Kg)

- Pre-operative

134.68 ± 27.17

- Post-operative

104.50 ± 26.95

30.11 ± 10.01

26.38-33.85

< 0.001

Height (meter)

- Pre-operative

1.68 ± 0.107

- Post-operative

1.68 ± 0.107

0

-

-

BMI (kg/m²)

- Pre-operative

47.23 ± 7.89

- Post-operative

36.74 ± 7.74

10.49 ± 4.43

8.83-12.14

< 0.001

Systole (mg Hg)

- Pre-operative

131.13 ± 16.84

- Post-operative

117.83 ± 7.39

13.33 ± 16.66

7.07-19.52

< 0.001

Diastole (mg Hg)

- Pre-operative

84.73 ± 11.90

- Post-operative

75.83 ± 7.88

8.90 ± 12.84

4.10-13.69

< 0.001