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. Author manuscript; available in PMC: 2013 Mar 22.
Published in final edited form as: J Gastrointestin Liver Dis. 2012 Jun;21(2):165–170.

Table 1.

Characteristics of 626 study patients.

Demographics/Pre-Procedure Variables
Age (mean years ± SD) 56.0 ± 10.4
Body Mass Index (kg/m2 ± SD) 28.9 ± 5.3

n (%)

Males 338 (54.0)
Ethnicity
White 114 (18.2)
Black 373 (59.6)
Hispanic 110 (17.6)
Asian 21 (3.4)
Other 8 (1.3)

ASA Physical Status Class
I 84 (13.4)
II 525 (83.9)
III 12 (1.9)
IV 0 (0.0)

Blood Pressure Medication Class
≥1 Medication 158 (25.2)
Multiple (≥2 Medications) 133 (21.2)
ACE inhibitor 78 (12.5)
CCB 69 (11.0)
Diuretic 69 (11.0)
BB 47 (7.5)
ARB 28 (4.5)

Co-Morbidities
Asthma/COPD 45 (7.2)
Coronary Artery Disease 12 (1.9)
Congestive Heart Failure 6 (1.0)

ACE – angiotensin converting enzyme; ARB –angiotensin receptor blocker; ASA - American Society of Anesthesiologists; BB – beta blocker; CCB – calcium channel blocker; COPD – chronic obstructive pulmonary disease; SD – standard deviation