Clinical Research
Copyright ©2008 The WJG Press and Baishideng.
World J Gastroenterol. Dec 14, 2008; 14(46): 7086-7092
Published online Dec 14, 2008. doi: 10.3748/wjg.14.7086
Figure 2
Figure 2 Variation of agreement with reference (Kappa) and inter-observer agreement (Black) (top graphic) and validity (bottom graphic) along sequential observations (1st to 6th) for the classification in subgroups [dashed line marks for 0. 80 as the cutoff for almost perfect agreement (top graphic) and validity (bottom graphic)].