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Table 4 Familial History (n = 215)

From: A national study of choanal atresia in tertiary care centers in Canada – part I: clinical presentation

Variable Category No. (%)
Siblings with CA Yes 3 (2.0)
No 146 (98.0)
Father with CA Yes 3 (2.1)
No 137 (97.9)
Mother with CA Yes 3 (2.1)
No 139 (97.9)
Maternal Age (Years) Mean (SD) 28.5 (5.3)