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

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

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]

Note: ACEI = angiotensin-converting enzyme inhibitors, ARB = angiotensin receptor blockers, LVSD = left ventricular systolic dysfunction, PCI = percutaneous coronary intervention
^aAge, gender, therapy and comorbidities (CCI) were controlled

ISSN: 1472-6963