Table 3.
Association between mammographic features and non-detection
| 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 | |
NA not available
aData represent the median (interquartile range)
bTime interval between the final diagnosis of second breast cancers and mammography