Retrospective Study
Copyright ©The Author(s) 2019.
World J Gastroenterol. Mar 21, 2019; 25(11): 1378-1386
Published online Mar 21, 2019. doi: 10.3748/wjg.v25.i11.1378
Table 3 Clinical background of the two groups after matching
Ultrathin endoscopeConventional endoscopeP value
Number of screened subjects129129
Age in yr, median (range)74 (52-89)74 (47-87)0.46
Gender, males108 (77.1%)99 (76.7%)0.16
Helicobacter pylori positive5 (3.9%)4 (3.1%)0.73
Atrophy, open type107 (82.9%)103 (79.8%)0.52
Operator, expert/nonexpert92/3795/340.68