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. Author manuscript; available in PMC: 2019 Apr 16.
Published in final edited form as: Am J Med Genet A. 2018 Oct 1;176(10):2099–2103. doi: 10.1002/ajmg.a.40495

TABLE 5.

Comparing hypocalcemia age of onset with congenital heart defects

Hypocalcemia age of onset CHD grade (n = 343)
Severe CHD
Mild CHD None (n = 123)
Neonatal period (n = 197) (0–1 month old) 113 (57.36%) 45 (22.84%) 39 (19.80%)
Infancy (n = 84) (up to 1 year old) 36 (42.86%) 34 (40.48%) 14 (16.67%)
Childhood (n = 97) (1–12 year old) 28 (28.87%) 32 (32.99%) 37 (38.14%)
Adolescence (n = 33) (13–17 year old) 12 (36.36%) 9 (27.27%) 12 (36.36%)
Adulthood (n = 32) (older than 17 year) 10 (31.25%) 8 (25.00%) 14 (43.75%)
Unknown (n = 23) 9 (39.13%) 7 (30.43%) 7 (30.43%)

Severe CHD = Tetralogy of Fallot, interrupted aortic arch, or truncus arteriosus. Mild CHD = any other CHD. Pearson’s chi-squared test, χ2 = 37.8, p < .0001.