Table 1.

Patient characteristics by group.

		Total n = 250		Case n = 124		Control n = 126			p-Value *
		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	<24	54	21.60	40	74.07	14	25.93		<0.01
	24–33	70	28.00	37	52.86	33	47.14
	34–50	65	26.00	33	50.77	32	49.23
	≥50	61	24.40	14	22.95	47	77.05
Age		Total		Case		Control		p
	Median (Q1–Q3)	34 (24–50)		29.5 (22–39)		39 (28–60)		<0.01

* chi-square test.