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National Trends in Amphetamine and Opioid Use Among Delivering Women by Rural Versus Urban Residence and Census Region (a) Northeast, (b) South, (c) Midwest, and (d) West: National Inpatient Sample, United States, 2004–2015
Note. The sample size was n = 47 164 263. Amphetamine-related delivery hospitalizations in the rural Northeast are not reported per Healthcare Cost and Utilization Project guidelines (≤ 10 unweighted cases for each timepoint).
