A pateint with cervix cancer is mised by a screeing test and later diagnosed with advanced disease. This time interval is called
Correct Answer: Lead time
Description: .lead time is actually the advantage gained by screening.the priod between the diagnosis by early detection and diagnosis by other means.detection programmes should therfore concentrate on those conditions where the time lag between the disease&;s onset and its final critical point is sufficiently long to be suitable for population screening. ref:park&;s textbook,ed 22,pg no 128
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Social & Preventive Medicine
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