Brief Article
Copyright ©2011 Baishideng Publishing Group Co.
World J Gastroenterol. Sep 21, 2011; 17(35): 4001-4006
Published online Sep 21, 2011. doi: 10.3748/wjg.v17.i35.4001
Table 1 Patient Characteristics n (%)
ParametersHD group(n = 450)SD2 group(n = 450)P value
Patients
Mean age, years (SD1)55 (± 12.5)56 (± 11.4)0.21
Men213 (47.3)208 (46)0.86
Race
White233 (51.8)281 (62.4)0.10
African American49 (10.9)53 (11.8)0.75
Hispanic139 (30.9)95 (21.1)0.01
Others29 (6.4)21 (4.7)0.31
Indication
Screening216 (48.0)173 (38.4)0.07
Non-screening234 (52.0)277 (61.6)0.13
Cecal intubation433 (96.2)438 (97.3)0.92
Poor prepare14 (3.1)17 (3.8)0.72
Withdrawal all procedures, min (SD1)11.3 (± 6.1)10.8 (± 5.6)0.20
Withdrawal non-polypectomy, min (SD1)10.0 (± 5.9)9.2 (± 4.2)0.02