Sensitivity Speci city +     Believe the positive protocol (Mx [ US) Standard Analysis 0.958 (0.013) 0.790 (0.027) -0.290 (0.123) -1.655 (0.289) Augmented Analysis 0.955 (0.013) 0.808 (0.019) -0.359 (0.102) -1.655 (0.279)   Believe the negative protocol (US \ Mx) Standard Analysis 0.617 (0.031) 0.966 (0.012) 1.081 (0.303) 0.363 (0.083) Augmented Analysis 0.602 (0.028) 0.971 (0.009) 1.081 (0.331) 0.347 (0.069)

Table 2: Estimated sensitivity, specificity, and log-ratio of likelihood ratios (φ+ and φ-) and (standard errors) for mammography (Mx) versus believe the positive (Mx ⋃ US) and believe the negative (US ⋂ Mx) protocols.