Retrospective Cohort Study
Copyright ©The Author(s) 2017.
World J Clin Pediatr. Feb 8, 2017; 6(1): 24-33
Published online Feb 8, 2017. doi: 10.5409/wjcp.v6.i1.24
Table 1 Demographic data of the studied children/their mothers
Demographic data of childrenMedianRangeNumber%
Age (mo)3124-37
Gestational age (wk)3724-38
Birth weight (kg)2.50.75-5
Outcome of pregnancy
Single7976.7
Twin1514.6
Triplet98.7
Order of birth
First5452.4
Second3231.1
Third109.7
Fourth76.8
Sex
Male6260.2
Female4139.8
Demographic data of the mothers
Maternal age (yr)2518-40
Maternal age groups
≤ 1821.9
18-359592.2
≥ 3565.8
Maternal risk factors1
Yes4846.6
No5553.4