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Table 2 Utilization characteristics of patients hospitalized with acute myocardial infarction by hospital risk-standardized in-hospital cost levels

From: Association of in-hospital resource utilization with post-acute spending in Medicare beneficiaries hospitalized for acute myocardial infarction: a cross-sectional study

Utilization Characteristics

Overall

Risk-Standardized In-Hospital Cost Tertile

p-value

Low ($13,097-17,648)

Medium ($17,663-19,875)

High ($19,923-31,296)

Total no. of hospitals

326

108

109

109

 

Selected inpatient care during index episode

 Index episode length of stay, median (IQR), days

4 (3–7)

4 (2–6)

4 (3–7)

4 (3–8)

< 0.001

 ICU admission during index episode, %

50.1

44.0

46.7

58.6

< 0.001

 ICU days if admitted, median (IQR)

2 (1–4)

2 (1–3)

2 (1–4)

3 (2–5)

< 0.001

Interventional cardiac therapies (%)

 Cardiac catheterization

63.9

61.4

64.9

64.9

< 0.001

 CABG surgery

7.8

6.9

8.0

8.5

< 0.001

 Percutaneous coronary intervention

41.4

40.1

41.2

42.8

< 0.001

 Intra-aortic balloon pump

4.7

4.0

4.7

5.3

< 0.001

  1. CABG Coronary artery bypass graft, ICU Intensive care unit, IQR Interquartile range