Severity of signs (Di)
Gender		Total					X²
		Di0	DiI	DiII	DiIII
Females	No.	168	301	68	13	550	X² = 4.982
Females	%	30.5	54.7	12.3	2.5	100	X² = 4.982
Males	No.	189	196	54	11		df = 3 P > 0.05*
Males	%	42	43.5	12	2.5	100	df = 3 P > 0.05*
Total	No.	357	497	122	24	1000
Total	%	35.7	49.7	12.2	2.4	100