Table 1:

Pair count of true-positive (indications) and true-negative (contraindications or no effect) data from 4 data sources after data preprocessing

Source	True positive (treats)	True negative (not treat)
MyChem	3,663	26,795
SemMedDB	8,255	11
NDF-RT	3,421	5,119
RepoDB	2,127	738
Shared	3,971	526
Total	21,437	33,189

Note that “shared” means those pairs are from 2 or more data sources.