Table 2. Interobserver agreement between the two readers.

Reader 2	Reader 1
	LR-TR nonviable	LR-TR equivocal	LR-TR viable	Total
LR-TR nonviable	16 (40%)	5 (12.5%)	0 (0%)	21 (52.5%)
LR-TR equivocal	3 (7.5%)	6 (15%)	0 (0%)	9 (22.5%)
LR-TR viable	0 (0%)	2 (5%)	8 (20%)	10 (22.5%)
Total	19 (47.5%)	13 (32.5%)	8 (20%)	40 (100%)

Data in parentheses are percentages. Percentages may total 100% because of rounding. LI-RADS, Liver Imaging Reporting and Data System; TRA, tumor response algorithm; LR-TR, Liver Imaging Reporting and Data System Tumor Response.