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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 4.

CHD type versus hypocalcemia

CHD type Hypocalcemia Normocalcemia
N N
Tetralogy of Fallot (includes those with other cardiac lesions) (137) 103 (75%) 34 (25%)
Ventricular septal defect as primary cardiac lesion (113) 53 (47%) 60 (53%)
Interrupted aortic arch (includes those with multiple cardiac lesions) (84) 65 (77%) 19 (23%)
Aortic arch abnormality as primary cardiac lesion (RAA, LAA, DAA) (75) 35 (47%) 40 (53%)
Truncus arteriosus as primary cardiac lesion (44) 38 (86%) 6 (14%)
Atrial septal defect as primary cardiac lesion(38) 16 (42%) 22 (58%)
PDA (16) 7 (44%) 9 (56%)
Other (PS, PA, PFO, bicuspid aortic valve) (43) 26 (60%) 17 (40%)

Severe CHD = Tetralogy of Fallot, interrupted aortic arch, or truncus arteriosus. Mild CHD = any other CHD. All categories included (severe CHD vs. mild) = Pearson’s chi-squared test χ2 = 51.487, p < .0001.