Table 4.

Median change in breast MRIV

Time on studynMedian % changeRange (95% CI)P
1 y16−17−64 to 12 (−28 to −9)0.0017
2 y19−16−57 to 25 (−31 to −14)0.0004
3 y (from year 2 to year 3)17−9−23 to 28 (−18 to 20)0.64