Table 1. Diuretics as Initial Antihypertensive Prescriptions during the Management of Virtual Patients Portraying Hypertension.

Year	Simulations	HCTZ	HCTZ and Second Diuretic	HCTZ and Other Agent	Chlorthalidone	Other Diuretics
2004	1863	935	72	62	24	2
2005	5124	2771	187	98	45	3
2006	3730	1822	131	72	45	3
2007	3545	1684	116	71	57	3
2008	4595	2020	132	138	75	3
2009	5511	1813	110	112	151	3
2010	6762	2776	182	163	327	9
2011	6713	2889	118	149	320	3

HCTZ, hydrochlorothiazide; HCTZ and second diuretic, combination of hydrochlorothiazide and a potassium sparing diuretic; HCTZ and other agent, combination of hydrochlorothiazide and a nondiuretic antihypertensive agent; other diuretics, chlorothiazide, furosemide, hydroflumethiazide, indapamide, or spironolactone.