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Table 3 Contrast of the quality measures between crude and risk-adjusted rates

From: Level and variation on quality of care in China: a cross-sectional study for the acute myocardial infarction patients in tertiary hospitals in Beijing

Measures Crude rate (%) [SD] Risk-adjusted rate (%) [95% CI]a
Aspirin at arrival 94.38 [0.230] 94.17 [93.88–94.45]
Aspirin prescribed at discharge 97.11 [0.168] 96.98 [96.75–97.22]
Beta-blocker prescribed at discharge 83.57 [0.371] 83.55 [83.01–84.11]
Statin prescribed at discharge 96.42 [0.186] 96.28 [96.03–96.53]
ACEI or ARB for LVSD 62.96 [0.487] 61.41 [60.65–62.17]
PCI received within 90 min of hospital arrival 47.90 [0.500] 43.96 [42.54–45.38]
  1. Note: ACEI = angiotensin-converting enzyme inhibitors, ARB = angiotensin receptor blockers, LVSD = left ventricular systolic dysfunction, PCI = percutaneous coronary intervention
  2. aAge, gender, therapy and comorbidities (CCI) were controlled