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. Author manuscript; available in PMC: 2013 Dec 9.
Published in final edited form as: Eur J Gastroenterol Hepatol. 2010 May;22(5):10.1097/MEG.0b013e3283352cd6. doi: 10.1097/MEG.0b013e3283352cd6

Table 2.

Demographic characteristics and clinical setting

Demographic characteristics Community (n = 99 560) Academic (n = 17 704) VAMC (n = 12 285) Total (n = 129 549)
Age (years)
< 50 15 490(15.6) 2968(16.8) 1266(10.3) 19 724(15.2)
50–59 30 838(31.0) 5642(31.9) 4046(32.9) 40 526(31.3)
60–69 26 462(26.6) 4534(25.6) 3496(28.5) 34 492(26.6)
≥70 26 770(26.9) 4560(25.8) 3477(28.3) 34 807(26.9)
Sex
Female 53 273(53.5) 8353(47.2) 885(7.2) 62 511(48.3)
Male 46 287(46.5) 9351(52.8) 11 400(92.8) 67 038(51.7)
Ethnicity
Caucasian 86 055(86.4) 14 824(83.7) 10 476(85.3) 111 355(86.0)
African–American 6175(6.2) 1319(7.5) 1214(9.9) 8708(6.7)
Hispanic 4946(5.0) 1057(6.0) 443(3.6) 6446(5.0)
Asian 1198(1.2) 425(2.4) 94(0.8) 1717(1.3)
Native American 1021(1.0) 62(0.4) 41(0.3) 1124(0.9)
Multiracial 165(0.2) 17(0.1) 17(0.1) 199(0.2)
Fellowb
Present 2619/99 333 7575/17676 7466/12 274 17660/129 283
Prepa
Excellent/good 14 422(14.5) 3367(19.0) 2130(17.3) 19 919(15.4)
Fair 67 545(67.8) 9140(51.6) 7877(64.1) 84 562(65.3)
Fair, exam compromised/poor 4007(4.0) 1193(6.7) 741(6.0) 5941(4.6)
Unknown/missing 13 586(13.7) 4004(22.6) 1537(12.5) 19 127(14.8)

n, total number of colonoscopies in specified clinical setting; numbers in bracket represent percentage. VAMC, Veteran’s Administration Medical Center.

a

Colonoscopy preparation results.

b

Presence of training fellow, number of colonoscopies with training fellow/total colonoscopies, which documented fellow attendance, 266 procedures were missing data regarding fellow’s presence.