Table 1

Variables operationalised from facial landmarks (R=Right; L=Left)

Variables	Landmarks	Units
Outer eyes distance	exR-exL	mm
Inner eyes distance	enL-enR	mm
Lower face height	Is-pg	mm
Mandible angle	g-men-pg	Degrees
Maxilla angle	n-sn-pg	Degrees
Mid-face height angle	exR-pg-exL	Degrees
Mid-face height	Is-men	mm
Mid-face height	sn-men	mm
Mid-face height	n-sn	mm
Nose prominence angle	n-prn-sn	Degrees
Nose prominence	prn-sn	mm
Nose width	alL-alR	mm
Philtrum angle	prn-sn-Is	Degrees
Total face height	pg-n	mm
Total face height	pg-g	mm
Total face height	li-men	mm
Total face height	pg-men	mm