Randomized Clinical Trial
Copyright ©The Author(s) 2020.
World J Gastroenterol. Apr 28, 2020; 26(16): 1962-1970
Published online Apr 28, 2020. doi: 10.3748/wjg.v26.i16.1962
Table 1 Patient characteristics and withdrawal times in the standard forward view and retroflected view arm
SFV armRFV arm
Patients, n (m/f)88 (39/49)88 (37/51)
Age, yr
mean59.3 ± 15.259.9 ± 15.6
range18-8620-88
Withdrawal time (min)1st SFV2nd SFV1st RFV2nd RFV
Cecum & ascending colon1:51 (1:05-2:27)1:47 (0:42-2:25)1:53 (1:27-2:17)1:52 (0:50-2:17)
Transverse colon1:46 (0:59-2:54)1:49 (1:05-2:41)1:50 (1:20-2:50)1:44 (0:30-2:49)
Descending & sigmoid colon2:36 (1:58-4:22)2:30 (1:00-3:41)2:23 (1:23-2:54)2:29 (1:31-2:59)