TABLE 1.
Subject Demographics
Parameter
All subjects
Abnormalities
Palpable
Nonpalpable
Age
*
(y)
52.2 ± 12.6
49.4 ± 13.2
54.3 ± 11.7
≤50 y old (%)
49
57.3
42.5
Premenopausal (%)
31.6
41.1
24.1
Dense breasts (%)
49.5
57.6
43.4
↵
*
Mean ± SD.