Table 2 Choanal Atresia Characteristics and Associations
Variable | Category | Unilateral CA No. (%) | Bilateral CA No. (%) | Total No. (%) |
|---|---|---|---|---|
Type of CA | Membranous | 10 (9.0) | 10 (12.7) | 20 (10.5) |
Bony | 16 (14.4) | 15 (19.0) | 31 (16.3) | |
Mixed | 85 (76.6) | 54 (68.4) | 139 (73.2) | |
Laterality of CA | Right | 80 (65.5) | – | 80 (37.2) |
Left | 42 (34.4) | – | 42 (19.5) | |
Bilateral | – | 93 (100) | 93 (43.3) | |
Associated anomalies | Yes | 47 (39.2) | 65 (69.9) | 112 (52.6) |
No | 73 (60.8) | 28 (30.1) | 101 (47.4) | |
Associated syndrome | Yes | 23 (20.2) | 37 (45.1) | 60 (30.6) |
No | 91 (79.8) | 45 (54.9) | 136 (69.4) | |
If yes, CHARGE | Yes | 10/23 (43.5) | 25/37 (67.6) | 35/60 (58.3) |
No | 11/23 (47.8) | 10/37 (27.0) | 21/60 (35.0) | |
Unknown | 2/23 (8.7) | 2/37 (5.4) | 4/60 (6.7) | |
If yes, other syndrome | Yes | 14/23 (60.9) | 16/37 (43.2) | 30/60 (50.0) |
No | 5/23 (21.7) | 11/37 (29.7) | 16/60 (26.7) | |
Unknown | 4/23 (17.4) | 10/37 (27.0) | 14/60 (23.3) | |
Abnormal karyotype | Yes | 7 (9.0) | 6 (8.0) | 13 (8.5) |
No | 71 (91.0) | 69 (92.0) | 140 (91.5) |