From: The spatial distribution of radiodense breast tissue: a longitudinal study
Overall PD value at left exit MLO screen | Number of women | Proportion of highest-density points located in highest-density regionsa | Mean entry-exit change in the location of the point of highest densityb |
---|---|---|---|
All | 165 | 0.9 (0.9, 0.9) | 1.3 (1.2, 1.5) |
< 20% | 41 | 1.0 (0.9, 1.0) | 1.4 (1.1, 1.7) |
20 to 39% | 43 | 1.0 (0.9, 1.0) | 1.0 (0.7, 1.3) |
40 to 59% | 38c | 0.9 (0.8, 1.0) | 1.3 (1.0, 1.6) |
60 to 79% | 38 | 0.8 (0.7, 0.9) | 1.6 (1.3, 1.9) |
≥ 80% | 5 | 0.8 (0.3,1.2) | 2.4 (1.7, 3.1) |
P valued | Â | < 0.01 | < 0.01 |