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. Author manuscript; available in PMC: 2012 May 1.
Published in final edited form as: J Clin Gastroenterol. 2011 May–Jun;45(5):e47–e53. doi: 10.1097/MCG.0b013e3181f595c3

Table 3.

Demographics, clinical features, and quality measures of outpatients undergoing colonoscopy during the study period.

Navigated patients (n=678) Non-navigated Medicaid patients (n=1856) Private patients (n=7365) p value
Age <0.0001
 <50 27 (4) 243 (13) 1256 (17)
 50-59 313 (46) 615 (33) 2155 (29)
 60-69 228 (34) 544 (29) 2007 (27)
 70-79 102 (15) 355 (19) 1362 (18)
 ≥ 80 8 (1) 99 (5) 585 (8)
Gender <0.0001
 Male 277 (41) 687 (37) 3247 (44)
 Female 401 (59) 1169 (63) 4118 (56)
Indication <0.0001
 Avg risk screening 530 (78) 901 (49) 2609 (35)
 History of adenoma 45 (7) 253 (14) 1457 (20)
 Family history 25 (4) 37 (2) 524 (7)
 Diagnostic/other 78 (12) 665 (36) 2775 (38)
Fellow participation <0.0001
 Yes 188 (28) 928 (50) 305 (4)
 No 490(72) 928 (50) 7060 (96)

Depth of insertion <0.0001
 Cecum/ileum 659 (97) 1743 (94) 7145 (97)
 Did not reach cecum 19 (3) 109 (6) 214 (3)
 Not stated 0 4 (0) 6 (0)
Preparation quality <0.0001
 Recorded 649 (96) 1716 (92) 6715 (91)
 Not recorded 29 (4) 140 (8) 650 (9)