Retrospective Study
Copyright ©The Author(s) 2016.
World J Gastroenterol. Mar 21, 2016; 22(11): 3220-3226
Published online Mar 21, 2016. doi: 10.3748/wjg.v22.i11.3220
Table 2 Diagnostic accuracy and error range of the estimation of colon polyp size
Visual estimationForceps estimationP value
Diagnostic accuracy
Beginners0.6130.734< 0.001
Experts0.6800.784< 0.001
Total0.6390.754< 0.001
Error range (mm)
Beginners1.68 ± 1.301.38 ± 1.08< 0.001
Experts1.42 ± 1.111.12 ± 1.11< 0.001
Total1.48 ± 1.181.20 ± 1.10< 0.001