Table 3.

Frequency of sella turcica bridging by sex.

Bridging		Sex		Total	χ 2	df	p
		Male	Female
Complete bridge (ratio = 0)	Count	12	9	21	6.116	2	0.0470∗
	% within bridge	57.1%	42.9%	100.0%
	% within sex	9.1%	4.8%	6.6%
	% of total	3.8%	2.8%	6.6%
Partial bridge (ratio > 0 and <60%)	Count	65	116	181
	% within bridge	35.9%	64.1%	100.0%
	% within sex	49.2%	62.4%	56.9%
	% of total	20.4%	36.5%	56.9%
No bridge (ratio ≥ 60%)	Count	55	61	116
	% within bridge	47.4%	52.6%	100.0%
	% within sex	41.7%	32.8%	36.5%
	% of total	17.3%	19.2%	36.5%
Total	Count	132	186	318
	% within bridge	41.5%	58.5%	100.0%
	% within sex	100.0%	100.0%	100.0%
	% of total	41.5%	58.5%	100.0%

Sella turcica bridging based on 60% cut-off (Camp, 1923). χ²: chi-square value; df: degree of freedom; p: p value. Statistically significant at p < 0.05. ^∗p < 0.05.