Patient and hospital-level characteristics and patient outcomes classified by the type of disease
| AMI | Pneumonia | PCI | |
| n | 6583 | 12 395 | 10 485 |
| Death during hospitalisation, n (%) | 303 (4.60) | 292 (2.36) | 108 (1.03) |
| Length of stay, median (IQR) | 8 (6.0) | 8 (4.0) | 7 (6.0) |
| Patients’ characteristics | |||
| Female, n (%) | 1582 (24.03) | 6067 (48.95) | 2458 (23.44) |
| Age (years), n (%) | |||
| 18–55 | 2347 (35.65) | 6314 (50.94) | 3372 (32.16) |
| 56–65 | 1614 (24.52) | 2046 (16.51) | 3193 (30.45) |
| 66–75 | 1328 (20.17) | 1642 (13.25) | 2523 (24.06) |
| >76 | 1294 (19.66) | 2393 (19.31) | 1397 (13.32) |
| Marital status, n (%) | |||
| Married | 6087 (92.47) | 10 647 (85.90) | 9884 (94.27) |
| Unmarried | 106 (1.61) | 1131 (9.12) | 128 (1.22) |
| Widowed | 208 (3.16) | 276 (2.23) | 203 (1.94) |
| Divorced | 182 (2.76) | 341 (2.75) | 270 (2.58) |
| Admission pathways, n (%) | |||
| Outpatient admission | 4780 (72.61) | 3799 (30.65) | 5277 (50.33) |
| Emergency admission | 1803 (27.39) | 8596 (69.35) | 5208 (49.67) |
| Condition for admission, n (%) | |||
| Normal | 122 (1.85) | 2245 (18.11) | 491 (4.68) |
| Severe | 608 (9.24) | 8325 (67.16) | 2344 (22.36) |
| Dangerous | 5853 (88.91) | 1825 (14.72) | 7650 (72.96) |
| ECI, mean (SD) | 7.81 (3.90) | 3.43 (4.71) | 7.67 (3.57) |
| Hospital characteristics | |||
| No. of open beds, mean (SD) | 1336.03 (885.61) | 1617.27 (681.53) | 1159.57 (968.72) |
| No. of nurses per 100 beds, mean (SD) | 90.70 (38.21) | 73.02 (12.32) | 101.87 (43.85) |
| No. of physicians per 100 beds, mean (SD) | 73.53 (32.43) | 53.50 (9.49) | 81.23 (37.80) |
| Inpatient cares per doctor, mean (SD) | 1.51 (0.43) | 1.75 (0.27) | 1.41 (0.47) |
| Government financial aid*, mean (SD) | 28 392.86 (17 051.50) | 28 713.59 (10 643.46) | 25 269.98 (17 800.74) |
*¥1=$0.145.
AMI, acute myocardial infarction; ECI, Elixhauser Comorbidity Index; PCI, percutaneous coronary intervention.