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Table 4 Sample cases of each 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

The 14 sample hospitals Bed sizes Number of AMI discharges covered by BEHI in which, the cases with PCI or CABG Sample cases
H1 1500 326 281 88
H2 1287 522 367 107
H3 1609 261 225 71
H4 1420 342 276 87
H5 1871 581 421 131
H6 1503 181 125 36
H7 1448 315 251 83
H8 1037 155 123 37
H9 1006 250 180 57
H10 1162 448 405 126
H11 1032 170 105 32
H12 1147 521 403 124
H13 1256 572 428 131
H14 1300 420 381 118
Total cases N/A 5064 3791 1228
  1. BEHI=Beijing Employee Essential Health Insurance Scheme
  2. Sampling: 30% AMI cases with PCI or CABG from each of the 14 hospitals were randomly selected to yield a sample of 1228 case, which met the sample size requirement for subsequent data analysis