Table 10:

Pooled Sensitivity and Specificity of Mammography and Adjunct Ultrasound Compared With Mammography Alone in Women at High Risk for Breast Cancer

Test	Round	Number of Studies	Pooled Sensitivity, % (95% CI)	Pooled Specificity, % (95% CI)
Positive Test: BI-RADS 4, 5
Mammography	All	4	39.6 (30.8, 49.2)	98.3 (96.6, 99.2)
Mammography + ultrasound	All	4	53.3 (44.9, 61.6)	96.2 (91.5, 98.4)
P			< .05	NS

Abbreviations: BI-RADS, Breast Imaging Reporting and Data System; CI, confidence interval; NS, not significant.