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Comparison of the performance of EMR-based contact tracing against self-reported contacts with patients with COVID-19. Percentages are calculated according to row values.
| Self-reported status | Detected by EMRa | Not detected by EMR | Total |
| Contacts by self-report | 17 (47.2%) | 19 (52.8%) | 36 |
| Noncontacts by self-report | 54 (22.1%) | 190 (77.9%) | 244 |
| Total | 71 | 209 | 280 |
aEMR: electronic medical record.
