Table 1:

Concordance by Classification per FDA Table of Inhibitors

Inhibitorsa	Substrates	Concordance, n (%) (n= 89 pairs)
All	All	55 of 89 (62)
Moderate	Sensitive	10 of 18 (56)
Moderate	Moderate sensitive	4 of 9 (44)
Weak	Sensitive	17 of 30 (57)
Weak	Moderate sensitive	24 of 32 (75)

^a,Cimetidine was classified only as a weak inhibitor per the FDA Table of Inhibitors when determining concordance.

Concordance was defined as the inhibitor’s observed classification matched the classification per the FDA Table of Inhibitors.