Table 2 Analysis modes
Analysis mode | Read term trigger | Specific features |
|---|---|---|
Death | Read term for death | Extract date of death and death certificate categories. Test results are not extracted. |
Pregnancy | Read term for pregnancy or text stating ‘pregnant’ | Duration in weeks is interpreted as gestational age |
Labtest | Read term for test type | A numerical value or ‘normal’, ‘abnormal’ (depending on the test type) can be interpreted as the test result |
Normal | Read term for certain investigations (e.g. chest radiograph) | The words ‘normal’ or ‘abnormal’ can be interpreted as the result |
Date | Read term stating date | The text is expected to contain a single date |
Sicknote | Read term stating ‘MED3’ (sickness certificate) or similar | Dates are regarded as sick certificate start and end dates |
Standard | Read term not in one of the above categories | Standard analysis |