Table 1 Prevalence of sphenoid pneumatization patterns by classification system7
From: Risky anatomical variations of sphenoid sinus and surrounding structures in endoscopic sinus surgery
Sphenoid Pneumatisation | Right, n 230 (%) | Left, n 230 (%) | TOTAL n 460 (%) | P-value* | ||||
|---|---|---|---|---|---|---|---|---|
Men | Women | Total | Men | Women | Total | |||
Sellar | 62 (48.8) | 65 (51.2) | 127 (55.2) | 77 (53.8) | 66 (46.2) | 143 (62.2) | 270 (58.7) | ns |
Presellar | 38 (55.1) | 31 (44.9) | 69 (30) | 27 (48.2) | 29 (51.8) | 56 (24.3) | 125 (27.2) | ns |
Conchal | 11 (52.4) | 10 (47.6) | 21 (9.1) | 11 (61.1) | 7 (38.9) | 18 (7.8) | 39 (8.5) | ns |
Postsellar | 9 (69.2) | 4 (30.8) | 13 (5.7) | 5 (38.5) | 8 (61.5) | 13 (5.6) | 26 (5.6) | < 0.0001 |