Age Trial

Question 1

Age trial Clinical Question

Answer 1

Among eligible women, does initiation of breast cancer screening with mammograms at age 40-41 reduce breast cancer mortality when compared to initiation at age 50?

Question 2

Age trial Bottom Line

Answer 2

Among eligible women, initiation of mammographic screening at age 40 did not reduce breast cancer mortality when compared to initiation of screening at age 50.

Question 3

Age trial Design, n

Answer 3

Multicenter, open label randomized comparative trial

160,840

Question 4

Age trial inclusion criteria

Answer 4

Women age 39-41

Receiving care by a general practitioner associated with a study center

Question 5

Age trial intervention

Answer 5

-intervention:control with stratification by referring practice
-Intervention - Annual mammogram starting age 40-41 years until the calendar year of the 48th birthday then routine mammogram starting at age 50-52
Control - Routine mammogram starting at age 50-52