Table 2.
Number of entries in OMOP CDM tables together with mapping rates.
| OMOP CDM table | Total number of entries in table | The number of entries mapped to OMOP standard concepts | Mapping rate |
|---|---|---|---|
| Location | 1 | Not applicable | Not applicable |
| care_site | 1820 | Not applicable | Not applicable |
| person | 149 364 | Not applicable | Not applicable |
| death | 8277 | Not applicable | Not applicable |
| observation_period | 149 364 | Not applicable | Not applicable |
| visit_occurrence | 18 281 120 | 18 281 120 | 100.0% |
| visit_details | 48 002 | 48 002 | 100.0% |
| condition_occurrence | 20 351 014 | 20 333 065 | 99.9% |
| procedure_occurrence | 6 956 568 | 5 392 192 | 77.5% |
| drug_exposure | 7 945 992 | 7 842 231 | 98.7% |
| device_exposure | 77 842 | 47 296 | 60.8% |
| observation | 15 203 064 | 14 762 978 | 97.1% |
| measurement | 32 230 620 | 29 250 571 | 90.8% |