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Table 1 Patient characteristics for all hospitals

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

Variables N (%)
N 1228
Age 0–18 0 (0)
19–40 48 (3.9)
41–60 592 (48.2)
61–80 532 (43.3)
> 80 56 (4.6)
Gender Male 1019 (83.0)
Female 209 (17.0)
Comorbidity CCI ≤ 1 943 (76.8)
1 < CCI ≤ 2 193 (15.7)
2 < CCI ≤ 3 69 (5.6)
CCI > 3 23 (1.9)
AMI STEMI 1014 (85.0)
NSTEMI 179 (15.0)
Therapy PCI 1187 (96.7)
CABG 40 (3.3)
Expenditure per admission (China Yuan) Mean and SD 73,702.44 (32,293.75)
Length of stay (days) Mean and SD 11.08 (6.91)
  1. Note: CCI = Charlson Comorbidity Index, AMI = acute myocardial infarction, STEMI = ST-Elevation Myocardial Infarction, NSTEMI = Non-STEMI, PCI = percutaneous coronary intervention, CABG = coronary artery bypass grafting