Type of DNS | Group I* | Group II |
Anterior deviation | 11 | 14 |
Posterior deviation | 4 | 4 |
Caudal dislocation | 16 | 10 |
“C” shaped | 40 | 50 |
“S” shaped | 30 | 19 |
Spur impinging on lateral wall | 20 | 3 |
Thickened septum | 3 | 0 |