Table 2.

Gender distribution (n = 100)

Frontal sinus pneumatization	Male	Female	p value
Type 1	11 (21.6%)	13 (26.5%)	0.804
Type 2	12 (23.5%)	12 (24.5%)
Type 3	28 (54.9%)	24 (49.0%)
Total	51	49