A matched case-control study to assess the association between non-steroidal anti-inflammatory drug use and thrombotic microangiopathy

Aiden R Liu, Ainslie M Hildebrand, Stephanie Dixon, Jessica M Sontrop, William F Clark, Alejandro Lazo-Langner, Danielle Nash and Amit X Garg

PLOS ONE, 2018, vol. 13, issue 8, 1-10

Abstract: Several case reports suggest that non-steroidal anti-inflammatory drug (NSAID) use is associated with development of thrombotic microangiopathy (TMA). We conducted a matched population-based case-control study using linked administrative healthcare data in Ontario, Canada to assess the relationship between TMA hospitalization and recent exposure to prescription NSAIDs versus acetaminophen (acetaminophen was chosen as the referent drug because it has no known association with TMA). Cases and controls were drawn from a source population of adults who filled a prescription for either NSAIDs or acetaminophen between 1991 and 2015 (restricted to adults with prescription drug benefits [n = 3.6 million]). We identified 44 eligible cases with a hospital admission for incident TMA and a recent prescription for NSAIDs or acetaminophen. We successfully matched 38 cases (1:4) to 152 controls without TMA on demographics, risk factors for TMA, and indications for NSAID use. Cases and controls were similar with respect to age (71 years) and sex (63% women); however, on average, cases had more comorbidities than controls (12 vs. 14; p

Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0202801

DOI: 10.1371/journal.pone.0202801

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