Table 1. Sensitivity and specificity of breast specific gamma imaging (BSGI) and conventional imaging for Breast Imaging Reporting and Data System 4 lesions.

Values are presented as percentage (95% confidence interval).

PPV, positive predictive value; NPV, negative predictive value.

^a)BSGI to ultrasound, McNemar P < 0.05. ^b)BSGI to mammography, McNemar P < 0.05.