Demographic and clinical characteristics among children with CHD.

<p>Abbreviation: CHD, congenital heart disease; CAA, congenital airway anomaly; ECA, extracardiac anomaly; IQR, inter-quartile range.</p><p>^aNeonate, newborn to ≤ 28 days of life; infant, >28 days but < 12 months; toddler & preschool, aged 1–5 years.</p><p>^bχ² or Fisher’s exact tests for the presence of CAA among different stratum</p><p>Demographic and clinical characteristics among children with CHD.