Document the valid values of the "supports" column for each data feed

OHDSI / KnowledgeBase

Source code used to develop the OHDSI knowledge base of sources with information relevant for assessing assocations between drugs and health outcomes of interest.

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Document the valid values of the "supports" column for each data feed #83

Open leeevans opened 8 years ago

leeevans commented 8 years ago

Create a table in the LAERTES documentation to show the valid values of the "supports" column for each data feed.

ericaVoss commented 8 years ago

I see t, f, and NULL.

The MEDLINE MeSH EVIDENCE_TYPES are now NULL.

@rkboyce is there a reason MEDLINE MeSH is NULL? I find NULLs can be dangerous depending on how the DB deals with them, might want to add the t back in.

rkboyce commented 8 years ago

NULL means that there is no way to tell if the evidence supports or refutes. We could use a character instead of NULL such as 'u'. Lets do that in another revision.