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. 2013 Jan;266(1):89–95. doi: 10.1148/radiol.12120552

Table 3.

Reader-specific and Average Frequencies of Several Categories of BI-RADS Ratings

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Note.— Data are from 217 cases (72 malignancies).The marked differences in average frequencies are statistically significant at the .05 level. Statistical analysis accounted for both cross-correlated structure of the data and random reader factors. Conv = conventional, FPF = false-positive fraction, Tomo = tomosynthesis, TPF = true-positive fraction.

*

BI-RADS 3, 4, 5 were considered test positive.

†

BI-RADS 4, 5 were considered test positive.

‡

BI-RADS 5 was considered test positive.