Table 1.

		Total n = 250		Case n = 124		Control n = 126		P ∗
		N	%	N	%	N	%
Sex	F	200	80.00	104	83.87	96	76.19	0.129
	M	50	20.00	20	16.13	30	23.81
Age (years)	<24	54	21.60	40	74.07	14	25.93
	24-33	70	28.00	37	52.86	33	47.14	<0.001∗∗
	34-50	65	26.00	33	50.77	32	49.23
	≥50	61	24.40	14	22.95	47	77.05

^∗Chi-square test, ^∗∗Mann–Whitney U test.