Rural-Urban Differences in Hospitalizations for Opioid Use-Associated Infective Endocarditis in the United States, 2003-2016.

In contrast, rural resident hospitalizations were increasingly likely to be in the lowest income quartile over the study period (53.0% in 2003–2007 vs 58.3% in 2012–2016), although this trend did not reach statistical significance ( P = .17).

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