Table 3 Preoperative and Postoperative Parameters showing the effect of surgery in studied cases

 • Pre-operative

39.44 ± 1.6

1 vs 2 <  0.001

2 vs 4 < 0.001

 • 1-week

29.44 ± 1.7

1 vs 3 < 0.001

3 vs 4 = 0.001

 • 6-months

31.56 ± 0.7

1 vs 4 < 0.001

 • 1-year

32.28 ± 0.8

2 vs 3 = 0.002

 • Pre-operative

20.78 ± 1.0

1 vs 2 < 0.001

2 vs 4 < 0.001

 • 1-week

28.00 ± 0.7

1 vs 3 < 0.001

3 vs 4 = 0.147

 • 6-months

26.78 ± 0.9

1 vs 4 < 0.001

 • 1-year

26.63 ± 0.8

2 vs 3 < 0.001

 Pre-operative

0.72 ± 0.03

1 vs 2 < 0.001

2 vs 4 < 0.001

 1-week

0.54 ± 0.03

1 vs 3 < 0.001

3 vs 4 = 0.002

 6-months

0.58 ± 0.02

1 vs 4 < 0.001

 1-year

0.59 ± 0.02

2 vs 3 = 0.002

 Pre-operative

1.90 ± 0.1

1 vs 2 < 0.001

2 vs 4 < 0.001

 1-week

1.05 ± 0.07

1 vs 3 < 0.001

3 vs 4 = 0.004

 6-months

1.18 ± 0.05

1 vs 4 < 0.001

 1-year

1.21 ± 0.05

2 vs 3 = 0.001