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Table 1 Probabilities used in the model

From: Cost-effectiveness of MRI compared to mammography for breast cancer screening in a high risk population

PROBABILITIES MRI Mammography
  Base Case Range Base Case Range
Positive[11] 0.108 0.047–0.169 0.054 0.010–0.098
BI-RADS 0/3[11] 0.856 0.787–0.925 0.898 0.838–0.957
BI-RADS 4/5[11] 0.144 0.075–0.213 0.102 0.043–0.162
True Positive BI-RADS 0/3[11] 0.028 0.000–0.061 0.035 0.000–0.070
False Positive BI-RADS 0/3[11] 0.972 0.939–1.000 0.965 0.930–1.000
Node Positive[11] 0.214 0.134–0.295 0.564 0.467–0.661
Node Negative[17, 18] 0.786 0.705–0.866 0.436 0.339–0.533
True Positive BI-RADS 4/5[17, 18] 0.323 0.231–0.415 0.478 0.380–0.576
False Positive BI-RADS 4/5[17, 18] 0.677 0.585–0.769 0.522 0.424–0.620
False Negative Node Positive[19] 1.000 0.700–1.000 1.000 0.700–1.000
Negative[20] 0.892 0.831–0.953 0.946 0.902–0.990
True Negative[21] 0.997 0.985–1.000 0.993 0.977–1.000
False Negative[21] 0.004 0.000–0.015 0.007 0.000–0.023
Live Node Positive[22] 0.970 0.937–1.000 0.970 0.937–1.000
Live Node Negative 0.990 0.970–1.000 0.990 0.970–1.000
Live no cancer 0.998 0.989–1.000 0.998 0.989–1.000
  1. Abbreviations: BI-RADS, Breast Imaging Reporting and Data System classification