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
3 (2.1)
137 (97.9)
Mother with CA
139 (97.9)
Maternal Age (Years)
Mean (SD)
28.5 (5.3)