| Authors | Female (Mean (cm) ± SD) | Male (Mean (cm) ± SD) |
| Jayakaran et al. (2000) | 10.77 ± 0.53 | 11.26 ± 0.53 |
| Franklin et al. (2007) | 10.86 ± 0.58 | 11.36 ± 0.60 |
| Ranganath et al. (2008) | 11.51 ± 0.93 | 10.98 ± 1.48 |
| Ongkana et al. (2009) | 11.61 ± 0.59 | 12.38 ± 0.63 |
| Vinay et al. (2013) | 10.82 ± 0.70 | 11.34 ± 0.55 |
| Present Study | 10.17 ± 0.58 | 11.22 ± 0.68. |