Table 4.

Program Sensitivity by Age and Tumor Type.

Characteristics	Screen-Detected Cancers		Interval Cancers		Program Sensitivity % [95% Confidence Interval]
	Cases	%	Cases	%
Age
50-54	69	5.3	31	7.2	69.0 [54.5-87.4]
55-59	368	28.4	121	28.1	75.3 [67.9-83.4]
60-64	442	34.1	140	32.5	75.9 [69.2-83.4]
65-69	405	31.2	129	29.9	75.8 [68.8-83.6]
Total	1297	100.0	431	100.0	75.1 [71.1-79.3]
Histology
Lobular	123		54		69.5 [58.2-82.9]
Ductal	969		300		76.4 [71.7-81.3]