Table 3. Comparison of the gender distributions of patient groups.

CIN: contrast-induced nephropathy

		Gender		Total	p	Effect Size (ɸc)
		Female	Male
CIN (-)	F	40	37	77	0.013	0.22
	% Contrast-induced nephropathy	51.9	48.1	100
	% Gender	75.5	53.6	63.1
CIN (+)	F	13	32	45
	% Contrast-induced nephropathy	28.9	71.1	100
	% Gender	24.5	46.4	36.9