Table 4.

Correspondence between the imaging biomarker changes and radiology reports

	No. of cases	Observed agreement	Cohen’s kappa	Kappa error	Strength of agreement
Infection region changes	142	0.9155	0.8220	0.0492	Very good
Infection region changes (including partially changes)	184	0.8533	0.7044	0.0525	Good
Intensity changes	54	0.7321	0.4643	0.1184	Moderate
Intensity changes (including partially changes)	82	0.6829	0.3718	0.1018	Fair

Note: Strength of agreement: 0–0.20, poor; 0.21–0.40, fair; 0.41–0.60, moderate; 0.61–0.80, good; 0.81–1.00, very good