Variables | Non-detection (n = 114) | Detected (n = 74) | P value | |
---|---|---|---|---|
Mammographic breast density | Fatty | 71 (74%) | 25 (26%) | < 0.001 |
Dense | 43 (47%) | 49 (53%) | ||
Mammographic detectability of PBC | Positive | 85 (66%) | 44 (34%) | 0.007 |
Negative | 11 (35%) | 20 (65%) | ||
NA | 18 (64%) | 10 (36%) | ||
Time interval (days)a,b | 32.5 (15–60) | 39.0 (12–160) | 0.306 |