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Table 1 Demographic and clinical patient’s characteristics by baseline, follow-up and lost to follow-up groups

From: Quality of life in children with infrequent congenital heart defects: cohort study with one-year of follow-up

 Baseline (n = 157)Follow-up (n = 112)Lost to follow-up (n = 45)
Age years, median (IQR)6.0 (3.0–11.0)7.0 (4.0–11.7)6.0 (3.0–10.5)
Sex female, n (%)85 (54.1)62 (55.4)23 (51.1)
I-CHD distribution, n (%)
 EA56 (35.7)40 (35.7)16 (35.5)
 HTX9 (5.7)4 (3.6)5 (11.1)
 IAA15 (9.6)11 (9.8)4 (8.9)
 PVS71 (45.2)51 (45.5)20 (44.4)
 WS6 (3.8)6 (5.4)
Prenatal diagnosis, n (%)25 (15.9)13 (11.6)12 (26.7)
Previous surgical or percutaneous intervention, n (%)100 (63.7)74 (66.1)26 (57.8)
  1. IQR Interquartile range, EA Ebstein’s Anomaly, HTX Heterotaxy Syndrome, IAA Interrupted Aortic Arch, PVS Pulmonary Valve Stenosis, WS Williams’ Syndrome