. 2020 Jun 6;15(1):115–124. doi: 10.1093/ecco-jcc/jjaa112

Table 4.

Interobserver agreement between the investigators for calculating the activity index [wκ and ICC] as well as for each included variable [wκ] within the two cohorts [n = 40, and n = 124, respectively].

	Weighted kappa		Intraclass correlation
Variable	Development cohort^a	Validation cohort^b	Development cohort^a	Validation cohort^b
	wκ, 95% CI	wκ, 95% CI	ICC, 95% CI	ICC, 95% CI
Activity index	0.82 [0.73, 0.91]	0.84 [0.69, 0.99]	0.95 [0.90, 0.97]	0.90 [0.78, 0.96]
BWT	0.81 [0.69, 0.93]	0.84 [0.70, 0.98]	‒	‒
Colour Doppler	0.93 [0.83, 1.00]	0.86 [0.66, 1.00]	‒	‒
Stratification	0.46 [0.24, 0.68]	‒	‒	‒
Fatty wrapping	0.51 [0.22, 0.81]	‒	‒	‒

Abbreviation: BWT, bowel wall thickness

^aRe-evaluation of the development cohort using dedicated software.

^bUltrasound examination performed independently by two investigators