Table 1.

Characteristics of n = 94 triplets included in final analysis set

VariableBBD case (N = 94)BBD ctrl (N = 94)KTB (N = 94)P
Age at benign biopsy0.84
 Mean (SD)54.4 (10.4)54.4 (10.4)53.6 (9.7)
 Median (range)53 (35–79)53 (36–78)53 (35–74)
Age category0.85
 <45 y20 (21.3%)20 (21.3%)20 (21.3%)
 45–55 y31 (33.0%)30 (31.9%)35 (37.2%)
 >55 y43 (45.7%)44 (46.8%)39 (41.5%)
Histologic impression<0.0001
 Missing002
 No histologic abnormality0 (0.0%)0 (0.0%)58 (63.0%)
 Nonproliferative BBD28 (29.8%)41 (43.6%)25 (27.2%)
 Proliferative BBD w/o atypia45 (47.9%)39 (41.5%)7 (7.6%)
 Atypia21 (22.3%)14 (14.9%)2 (2.2%)