Quantitative multiparametric magnetic resonance imaging can aid non-alcoholic steatohepatitis diagnosis in a Japanese cohort

Table 4 Inter-rater variability between the three pathologists for each histology metric

Histological metric	Pathologists	Kappa weighted	Lower CI	Upper CI	ASE	P value	Overall inter-rater variability (Krippendorff’s alpha)
Steatosis	1 vs 2	0.609	0.517	0.7	0.0467	< 0.0001	0.584
	1 vs 3	0.483	0.388	0.579	0.0489	< 0.0001
	2 vs 3	0.585	0.485	0.686	0.0513	< 0.0001
Lobular inflammation	1 vs 2	0.118	0.0631	0.173	0.0281	< 0.0001	0.109
	1 vs 3	0.0376	0.00574	0.0695	0.0163	0.02
	2 vs 3	0.179	0.0699	0.288	0.0556	0.001
Ballooning	1 vs 2	0.297	0.205	0.389	0..047	< 0.0001	0.398
	1 vs 3	0.459	0.344	0.573	0.0583	< 0.0001
	2 vs 3	0.27	0.18	0.36	0.0453	< 0.0001
Fibrosis	1 vs 2	0.719	0.65	0.788	0.0353	< 0.0001	0.398
	1 vs 3	0.571	0.496	0.647	0.0386	< 0.0001
	2 vs 3	0.597	0.521	0.672	0.0385	< 0.0001
NAS	1 vs 2	0.279	0.202	0.357	0.0398	< 0.0001	0.421
	1 vs 3	0.244	0.172	0.316	0.0366	< 0.0001
	2 vs 3	0.434	0.35	0.518	0.043	< 0.0001

CI: Confidence intervals.