Table 2:

Median values of pelvimetry measurements, by sex

Characteristic	N	Females	Males	P value
Inlet length (cm)	372	12.46 (10.03–14.78)	11.62 (9.50–13.80)	<0.001
Outlet length (cm)	372	9.33 (6.84–12.39)	8.99 (6.60–12.20)	0.002
Sacral height (cm)	372	11.64 (7.69–15.22)	12.54 (8.31–16.76)	<0.001
Sacral depth (cm)	372	3.91 (1.87–5.46)	4.01 (1.53–8.26)	0.2
Pubic tubercle height (cm)	372	3.88 (2.63–4.97)	4.40 (3.19–5.86)	<0.001
Interspinous distance (cm)	378	10.88 (7.41–12.98)	9.38 (7.27–11.74)	<0.001
Mesorectal area (cm2)	327	28 (10–58)	32 (8–65)	<0.001

Values in parentheses are ranges. P values were calculated using the Wilcoxon rank sum test.