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Hospital volume and outcomes for inpatients with acute myocardial infarction in Shanxi, China: A cross‐sectional study

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  • Ziling Ni
  • Xiaojun Lin
  • Ying Wang
  • Tianyu Jiang
  • Hongbing Tao

Abstract

In this cross‐sectional study, we assessed the relationship between hospital volume and clinical outcomes for inpatients with acute myocardial infarction (AMI) in tertiary A hospitals in Shanxi, China (N = 12 931). In‐hospital mortality, length of stay (LOS), and total cost were measured. The crude in‐hospital mortality rate was 1.69%. Adjusted in‐hospital mortality was significantly lower for medium‐volume hospitals (odds ratio (OR) = 0.605, 95% confidence interval (CI) = 0.411‐0.900) compared with low‐volume hospitals. LOS in medium‐ and high‐volume hospitals were 0.915 (95% CI = 0.880‐0.951) and 1.069 (95% CI = 1.041‐1.098) days longer than in low‐volume hospitals, respectively. The cost of inpatients attending low‐ and high‐volume hospitals (OR = 1.180, 95% CI = 1.140‐1.221) was higher than that of medium‐volume hospitals (OR = 0.897, 95% CI = 0.868‐0.926). These results inform health care policy in countries with strained medical resources.

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  • Ziling Ni & Xiaojun Lin & Ying Wang & Tianyu Jiang & Hongbing Tao, 2019. "Hospital volume and outcomes for inpatients with acute myocardial infarction in Shanxi, China: A cross‐sectional study," International Journal of Health Planning and Management, Wiley Blackwell, vol. 34(4), pages 1195-1204, October.
    • Handle: RePEc:bla:ijhplm:v:34:y:2019:i:4:p:1195-1204
    DOI: 10.1002/hpm.2787
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    1. Lee, Kwang-Soo & Kwak, Jin-Mi, 2014. "Effect of patient risk on the volume–outcome relationship in obstetric delivery services," Health Policy, Elsevier, vol. 118(3), pages 407-412.
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