AL pre (mean ± SD) mm AL-range pre (mm to mm) AL post (mean ± SD) mm AL-range post (mm to mm) AL difference (mean ± SD) mm
Our study 25.10 ± 3.19 20.54 to 36.06 24.88 ± 3.16 20.43 to 35.79 0.19 ± 0.05
[6] 23.47 ± 1.15 20.57 to 27.43 23.39 ± 1.15 20.39 to 27.39 0.07 ± 0.05
[11] 23.49 ± 1.31 20.46 to 27.88 - - 0.12 ± 0.06
[13] 23.65 ± 1.25 18.96 to 29.02 23.57 ± 1.26 18.84 to 28.90 0.08 ± 0.12
[3] 23.47 ± 1.10 20.00 to 27.60 23.35 ± 1.10 - 0.13 ± 0.13
Table 1: Comparative data of various studies.