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Using 2.2.5 of epiCentre as a measure, epiCentre takes up about ~145MB on a computer.
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See the below table for estimated database sizing:
| Table | Estimated records (per patient) | Size (KB per record) | Total size (KB per patient) |
|---|---|---|---|
| Patient | 1 | .23 | .23 |
| Episode | 3 | .16 | .48 |
| Pathway | 9 (3 per episode) | .08 | .72 |
| Service Event | 30 (10 per episode) | .08 | 2.4 |
Questionnaire | 15 (5 per episode) | .76 | 11.4 |
| Total | 15.23KB per patient |
If we assume a system of 1000 patients, that's ~15MB, not including any overhead involved in SQL creation, not nor the relatively static tables within epiCentre (code sets, users, facility information, etc).
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