The occipitofrontal circumference (OFC) to interorbital index using the inner canthal (IC) distance as the interorbital measurement.
Parameters:
(1) inner canthal distance in cm
(2) occipitofrontal circumference in cm
OFC to IC index =
= (inner canthal distance) * 100% / (occipitofrontal circumference)
Omotade listed reference ranges for term neonates in Scotland and Nigeria.
|
Site
|
Range
|
Mean
|
|
Scotland
|
5.3 to 7.1
|
6.2
|
|
Nigeria
|
5.3 to 7.6
|
6.3
|
