Which of the following is NOT a core component of the WHO's global STI control strategy?
ACase management
BUniversal mandatory screening
CStrategic information systems
DPrevention services
Specificity of a diagnostic test is defined as:
A0.95
B0.05
C0.4
D0.8
What is the correct formula for calculating the positive predictive value (PPV) of a screening test?
ATrue positives / (True positives + False negatives)
BFalse positives / (False positives + True negatives)
CTrue positives / (True positives + False positives)
DTrue negatives / (True negatives + False negatives)
+ 7 more in the PDF
Browse all chapters