"Lead time" refers to the time between
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
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
Concept of health and disease