Category | Description | Sample question |
---|---|---|
Clinicalcriteria | Find patients matching some desired criteria, independent of temporal relations | Which patients have had atypical endometriosis? |
Eventrel | Find patients who experience two or more clinically-relevant events, related by a specified time interval. | Which patients were given chemotherapy within eight weeks of their death? |
Stratification | Given two sets of patients similar in key respects, compare certain outcomes based on stratification of categorical values such as care, phenotype, etc. | What portion of BRCA patients with PALB2 were given PARP inhibitor therapy? |
Triangulation | Some information cannot be interpreted on the basis of any one source. Integration of related information from multiple sources is required to develop full understanding. | Which patients had medications that were ordered (as per physician charts), but not administered (as per Medication Administration Records (MARs) or nursing records)? |
Schema | What information is available on which patients? | For which patients do I have a valid date of death? |