Individuals Reference Sex Width Notes Crane1975 female 12 Crane1975 female 13.5 Crane1975 male 14 Crane1975 male 15 Rao2014 male 12.5 Rao2014 male 13 Rath2011 non-specified 19 Rosenberg2000 male 12 Shih2019 male 9.7 Shih2019 female 9.9 Shih2019 male 8 Ranges Reference Sex n Min Max Notes Rath2008 non-specified 2 14.5 21 Shih2019 male 2 9.1 10.1 Shih2019 female 3 10.4 11.4 Shih2019 male 18 10.4 14.5 Shih2019 female 8 9.8 12 Means w/Standard Deviation Reference Sex n Mean SD Notes Jaroensutasinee2004 male 1 10.11 2.63 Jaroensutasinee2004 female 1 9.24 2.25 Means w/Standard Error Reference Sex n Mean SE Notes Tina2015 male 44 8.6 0.26 Tina2015 female 44 8.29 0.17 Tina2015.3 female 35 5.85 0.3 Tina2015.3 female 35 6.53 0.37 Tina2015.3 female 38 6.9 0.17 Tina2015.3 male 32 7.27 0.56 Tina2015.3 male 30 7.32 0.34 Tina2015.3 male 38 7.38 0.18 Tina2017.4 male 33 9.67 0.21 Tina2017.4 male 33 10.42 0.24