Table 3.

Summary of the Risk of Malignancy Algorithm findings in three samples with different base rates of ovarian cancer

Variable	Novotny (2012)	Moore (2014)	Moore (2009)
Base rate of ovarian cancer (%)	8.2	29.9	43.8
Benign cases (%)	91.8	70.1	56.2
Sensitivity	0.86	0.94	0.92
Specificity	0.95	0.76	0.75
False positives (%)	4.6	17.2	14.2
False negatives (%)	1.2	1.9	3.4