A screening test was performed on 250 people for Disease Y. A definitive diagnosis for Disease Y among the 250 people
had been obtained previously. The results of screening are presented here.
Based on the information provided, which of the following expresses the sensitivity of this test?
| Screening Test Results | Disease Present | Disease Absent |
|---|---|---|
| Positive | 40 | 60 |
| Negative | 10 | 140 |
A. 56%
B. 80%
C. 30%
D. 70%