To assess the association between newly opened PCI facilities and access, treatment, and outcomes among California patients with AMI, comparing communities with and without baseline PCI access from 2011 through 2022.
Approach:
Design and population: Observational cohort study of California residents with a primary AMI diagnosis from January 1, 2011, through December 31, 2022; both STEMI and NSTEMI were included.
Exposure: A new PCI-capable facility reachable within a 30-minute drive of the patient’s zip code community; facilities performing at least 10 PCIs annually qualified.
Outcomes and analysis: Outcomes were PCI-capable hospital admission, PCI receipt, unscheduled acute care within 30 days, and all-cause mortality at 30 days and 1 year. Linear probability models included community and time fixed effects, with adjustment for demographic characteristic…
Data: Linked California HCAI patient and facility records were combined with hospital locations, Census zip code centroids, and driving-time estimates.
Interpretation:
The provided context describes the study rationale, methods, and outcomes assessed but does not report results.
Limitations:
The supplied context ends before the full adjustment details and study results.
Patients with missing record identifiers or geographic information, and those living more than 100 miles from the treating facility, were excluded.
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