Screening Mammography As Reference in Patient Safety, Preventive & Ethics — Case | Epidemiology & Biostatistics | SMLE Q#17928
SMLE Question #17928
Patient Safety, Preventive & Ethics
Epidemiology & Biostatistics
Objective: OBJ-116
Last updated: February 2026
A hospital quality-improvement team compares a new breast cancer screening test with screening mammography as the reference standard in 1,000 asymptomatic women. Mammography is positive in 200 women. The new test is positive in 180 of these 200 and negative in 20 of these 200. Among the 800 women with negative mammography, the new test is positive in 50. What is the sensitivity of the new screening test using mammography as the reference standard?
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