Table 2.

Optimal thresholds for different evaluation groups.

Optimal parameters	TANIa			LLb			OLc			FMGd
	EMRe	EMR+Lf	EMR+PLg	EMR	EMR+L	EMR+PL	EMR	EMR+L	EMR+PL	EMR	EMR+L	EMR+PL
Optimal k (KNNh)	11	10	9	4	4	4	4	4	4	7	6	6
Optimal t (TPNi)	0.19	0.19	0.2	0.72	0.73	0.76	0.51	0.49	0.51	0.12	0.11	0.12

^aTANI: Tanimoto coefficient similarity.

^bLL: log likelihood ratio similarity.

^cOL: overlap coefficient similarity.

^dFMG: Fager and McGowan coefficient similarity.

^eEMR: electronic medical record.

^fL: literature.

^gPL: pruned literature.

^hKNN: k-nearest neighbors.

ⁱTPN: threshold patient neighbor.