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Prediction models for the EPWG and Van Nuys classification for microcalcifications.
| Predicted grade | EPWG Classification | Total | Van Nuys classification | Total | ||||
| Grade 1 | Grade 2 | Grade 3 | Grade 1 | Grade 2 | Grade 3 | |||
| Grade 1 | 0 | 1 | 0 | 1 | 3 | 1 | 1 | 5 |
| Grade 2 | 8 | 32 | 12 | 52 | 6 | 23 | 8 | 37 |
| Grade 3 | 2 | 5 | 27 | 34 | 2 | 8 | 35 | 45 |
| Total | 10 | 38 | 39 | 87 | 11 | 32 | 44 | 87 |
