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Table 1 Dahlberg coefficient of horizontal and vertical measurements

From: Normative anthropometry and proportions of the Kenyan-African face and comparative anthropometry in relation to African Americans and North American Whites

Vertical measurements Dahlberg coefficient
Trichion to Glabella 0.041
Trichion to Nasion 0.083
Glabella to Subnasale 0.050
Nasion to Subnasale 0.045
Subnasale to Soft tissue menton 0.018
Upper lip height 0.046
Lower lip height 0.086
Philtrum height 0.050
Lateral commissure height 0.043
Vermillion height Upper 0.039
Vermillion height Lower 0.033
Chin height 0.058
Lower lip to labiomental fold (LMF) 0.339
LMF (depth) 0.043
Lower lip to Soft tissue menton 0.076
Horizontal measurements Dahlberg coefficient Mean (abs diff/mean) (%)
Ex-Ex 0.036 0.053
Medial canthus to lateral canthus (ex-en) 0.024 0.101
En-En 0.022 0.050
Right ala to left ala (al-al) 0.029 0.063
Right ala curvature to left ala curvature (ac-ac) 0.235 0.993
Mouth width (ch-ch) 0.054 0.105
Bitemporal width (ft-ft) 0.027 0.042
Bizygomatic width (zy-zy) 0.575 0.395
Bigonial width (go-go) 0.024 0.027