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Table 1 Instances and Percentages of Medical Problems in Each Assertion Class
| Assertion Class | Number in BIDMC | Number in Challenge | Number in CMC |
|---|---|---|---|
| Positive | 1,537 (72%) | 6,702 (81%) | 4,761 (75%) |
| Negative | 398 (19%) | 1,249 (15%) | 811 (13%) |
| Uncertain | 169 (8%) | 259 (3%) | 742 (12%) |
| Alter-Association | 21 (1%) | 69 (1%) | 11 (0%) |
| Total | 2,125 (100%) | 8,279 (100%) | 6,325 (100%) |
BIDMC = Beth Israel Deaconess Medical Center; CMC = Computational Medicine Center.
