Rite Aid (RAD -51.21%) shares were down today as investors focused on the big year-over-year drop in earnings per share from $0.09 a year ago to $0.04 last quarter.

But smart investors go long term, and Rite Aid reported some more important numbers that relate directly to some of the stock's key growth drivers. In the video below, health care analyst Michael Douglass lays out these three numbers, and what investors should be watching for moving forward.