Table 2.

Mean change in mammographic density

Time on studynRadiologist A
Radiologist B
Mean change in % mammographic density (95% CI)PMean change in % mammographic density (95% CI)P
1 y271 (−3 to 5)0.932 (−4 to 7)0.86
2 y251 (−2 to 5)0.586 (−0.2 to 13)0.05
3 y (from year 2 to year 3)19−5 (−10 to −0.5)0.02−6 (−15 to 34)0.26