Concordance between transbronchial lung cryobiopsy and surgical lung biopsy for interstitial lung disease in the same patients

Table 3 Inter-observer agreement of the diagnosis in TBLC and SLB in each diagnostic step

Diagnostic Step	step1P (A vs B)		step1P (C vs A)		step1P (B vs C)		step1R (S vs T)		step1C (X vs Y)		step2 (X vs Y)		step3 (X vs Y)		step4 (X vs Y)
	TBLC	SLB	TBLC	SLB	TBLC	SLB	TBLC	SLB	TBLC	SLB	TBLC	SLB	TBLC	SLB	TBLC	SLB
Agreement	63.4	42.3	55.8	57.7	63.5	50.0	44.2	32.7	32.7	36.5	32.7	34.6	32.7	36.5	51.9	48.1
kappa	0.50	0.24	0.42	0.45	0.51	0.31	0.30	0.22	0.21	0.25	0.23	0.25	0.22	0.27	0.42	0.38
95%CI	0.34–0.65	0.10–0.39	0.26–0.57	0.28–0.62	0.35–0.66	0.15–0.47	0.15–0.46	0.08–0.35	0.07–0.35	0.12–0.39	0.10–0.36	0.13–0.37	0.08–0.36	0.14–0.39	0.28–0.56	0.24–0.52

A, B, and C refer to each pathologist, S and T radiologist, and X, Y pulmonary physician

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