Table 2.

Vital status, second breast neoplasms, and recurrences according to mode of detection and breast density

Screen-detected cancersInterval cancersTrue interval cancersFalse negativesOccult tumorsMinimal-sign cancers
Breast densityBreast densityBreast densityBreast densityBreast densityBreast density
<25% (n = 113)≥25% (n = 82)<25% (n = 79)≥25% (n = 100)<25% (n = 37)≥25% (n = 51)<25% (n = 25)≥25% (n = 18)<25% (n = 6)≥25% (n = 19)<25% (n = 11)≥25% (n = 12)
Vital status
 Alive107 (94.7)67 (81.7)65 (82.3)77 (77.0)28 (75.7)40 (78.4)22 (88.0)12 (66.7)5 (83.3)14 (73.7)10 (90.9)11 (91.7)
 Exitus6 (5.3)15 (18.3)a14 (17.7)23 (23.0)9 (24.3)11 (21.6)3 (12.0)6 (33.3)1 (16.7)5 (26.6)1 (9.1)1 (8.3)
Second breast neoplasm5 (4.4)1 (1.21)1 (1.3)5 (5.0)1 (2.7)2 (11.1)2 (10.5)1 (8.3)
Recurrence8 (7.1)13 (15.9)11 (13.9)19 (19.0)8 (21.6)9 (17.6)2 (8.0)3 (16.7)4 (20.1)1 (9.1)3 (25.0)
  • aP < 0.05. P values were obtained using the two-sided χ2 or Fisher's exact two-sided test when appropriate, to assess the distribution of each variable among breast density categories within study groups.