From: Breast density and mode of detection in relation to breast cancer specific survival: a cohort study
Rate of breast cancer deaths | HR1 | HR2 | HR3 | HR4 | |
---|---|---|---|---|---|
All | |||||
Non-symptomatic | 27 of 350 | 1.00 | 1.00 | 1.00 | 1.00 |
Symptomatic | 49 of 269 | 2.68 (1.67-4.28) | 1.55 (0.95-2.53) | 1.52 (0.92-2.50) | 1.56 (0.94-2.58) |
Freedmans%* | 55.5 | 57.5 | 54.9 | ||
Fatty/moderate | |||||
Non-symptomatic | 16 of 233 | 1.00 | 1.00 | 1.00 | – |
Symptomatic | 28 of 172 | 2.63 (1.42-4.87) | 1.48 (0.76-2.88) | 1.54 (0.79-3.02) | – |
Dense | |||||
Non-symptomatic | 11 of 117 | 1.00 | 1.00 | 1.00 | – |
Symptomatic | 21 of 97 | 2.63 (1.26-5.47) | 1.71 (0.75-3.90) | 1.63 (0.68-3.91) | – |