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. 2019 Feb 6;9:1459. doi: 10.1038/s41598-018-37451-4

Table 4.

Kappa value indicating agreement in each reader between FFDM + DBT and C-View + DBT and sensitivity, specificity, PPV and NPV for C-View, taking FFDM as gold standard (p value < 0.001).

READER 1 READER 2 READER 3
Kappa value 0.811 0.888 0.934
Sensitivity 94.9% 97.1% 94.3%
Specificity 98.5% 100% 99.7%
PPV 88.1% 100% 97.1%
NPV 99.4% 99.7% 99.4%