Social & Preventive Medicine Concept of health and disease 724a281a

"Lead time" refers to the time between

Disease onset and final critical diagnosis

Disease onset and final possible point of detection

First possible point of detection and final critical diagnosis

First possible point of detection and usual time of diagnosis

High-Yield Explanation

LEAD TIME is the advantage gained by screening, i.e., the period between diagnosis by early detection and diagnosis by other means. It is an impoant factor when evaluating the effectiveness of a specific test. Ref: 25th edition, Park's Textbook of Preventive and Social Medicine, Page no. 148

← Previous Question Next Question →