Table 2.

Chi-square test; MEDAS categories vs. number of sperm alterations.

			Number of Alterations
			0	1	2	3 or more
MEDAS Categories	Low	Subjects	7	18	20	35
		% within MEDAS	8.80%	22.50%	25.00%	43.80%
	Medium	Subjects	65	18	11	19
		% within MEDAS	57.50%	15.90%	9.70%	16.80%
	High	Subjects	99	4	3	1
		% within MEDAS	92.50%	3.70%	2.80%	0.90%
p < 0.001