Evaluation of the key prescription sequence symmetry analysis assumption using the calcium channel blocker: Loop diuretic prescribing cascade.
Scott Martin VouriEarl J MorrisSilken A UsmaniRachel ReiseXinyi JiangCarl J PepineTodd M ManiniDaniel C MaloneAlmut G WintersteinPublished in: Pharmacoepidemiology and drug safety (2021)
Loop diuretic initiation rates before and after DH CCB initiation for reasons other a prescribing cascade were similar, thus confirming the prescription sequence symmetry analysis assumption.