From: Validated establishment of anthropometric measurements of mid-face zone in Egyptian healthy preschool-age children: a cross-sectional study
Age categories
Frequency
Percent
3—< 4 years
580
18.8
4—< 5 years
955
31.0
5—≤ 6 years
1545
50.2
Total
3080
100
Sex
Females
1535
49.8
Males