Interobserver Agreement Among Endoscopists
The Gold Standard was chosen as the eAI intermediate for experienced endoscopics, as one of the main objectives was to evaluate the influence of the experiment. Flammable changes in the mucosa present in other GI disorders are also graduated, for example. B esophagitis classified LA [20]. However, the LA classification, which assesses the extent of mucous fractures in a short segment, is very different from the more complex score of the diffuse mucosa of the UC, characterized by at least 4 different endoscopic characteristics. This could explain why Lundell et al. showed no difference between experienced and inexperienced endoscopes [20]. A total of 400 mixed images of polyps with a diameter >5 mm and <10 mm were recorded for analysis. In total, there was a Kf agreement of 0.370 (p < 0.001) and 0.306 (p < 0.001) for samples or margins. The coincidence is good for a ? value between 0.81-1.00 and very good, good for 0.61-0.80, moderate for 0.41-0.60 and just for 0.21-0.40 [13]. Kappa analysis has been used to compare experienced and inexperienced observers in terms of compliance [14]. Kappa`s values for the Interobserver agreement in the groups of experienced Japanese and Vietnamese beginners and Japanese and Vietnamese were 0.474, 0.408, 0.291 and 0.373 respectively. The kappa value of intraobsever for Japanese and Vietnamese experienced endo costs was between 0.585 and 0.871.
On the other hand, the value was wider in novice endoscopes than in experienced endoscopics, from 0.264 to 0.866. Our results showed that although intraobserver agreement for gastric mucosa atrophy was good to excellent, interobserver agreement was moderate in experienced endoscopes. This indicates that better policies and firm criteria may be needed to properly diagnose and assess gastric atrophy. Regression analysis and compliance diagrams for experienced and inexperienced endoscopes The linear relationship between “Observed EAI” and “Gold Standard” in the group of inexperienced (2a) and experienced (2b) endoscopes. The results are expressed by the linear regression line with a 95% confidence interval for the lines. The correspondence diagram in the group of inexperienced (2c) and experienced (2d) endoscopes. The results are expressed by the midline with a 95% confidence interval for the lines. The agreement between observers in the evaluation of endoscopic characteristics characterizing ulcerative colitis is satisfactory in both endoscopic groups, but significantly higher in the experienced group. The mean difference between the two groups is only significant for “ulcerations”.
The endoscopic variables “vascular samples”, “erosions”, “ulcerations” and “fragility” explained the overall index of endoscopic activity. Although the present result is quite satisfactory, there is potential for improvement. Improved assessment systems can help improve the consistency of endoscopic descriptions. Eight experienced endoscopes examined 400 mixed images of polyps taken with different Pentax i-Scan parameters to obtain an assessment of the polyp surface and normal colon mucosa, mine pattern and type of lesion. . . .
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