Table 1.

Characteristics of Study Subjects

	EGD (n=2,088)	Colonoscopy (n=12,428)
Age
50–59	779 (37)	5621 (45)
60–69	763 (37)	4141 (33)
70+	546 (26)	2666 (21)
Gender
Female	1364 (65)	7387 (59)
Male	724 (35)	5041 (41)
Procedure Indication
Diarrhea (cases)	393 (19)	867 (7)
Reflux (controls)	1695 (82)	--
CRC Screening (controls)	--	11561 (93)
HTN medications
None	1120 (54)	7161 (58)
Any	968 (46)	5267 (42)
Olmesartan	22 (1)	83 (0.7)
Any ARB	228 (11)	1048 (8)
Any ACEI	418 (20)	2235 (18)
HCTZ/Chlorthalidone	218 (10)	1539 (12)
Beta Blocker	404 (19)	2245 (18)
Calcium Channel Blocker	171 (8)	921 (7)

ARB: angiotensin receptor-blocker. ACEI: angiotensin-converting enzyme inhibitor. HCTZ: hydrochlorothiazide.