From: National trends in hospital length of stay for acute myocardial infarction in China
All hospitals (n = 12706) | High-tertile hospitals (n = 4784) | Middle-tertile hospitals (n = 5105) | Low-tertile hospitals (n = 2817) | P-value | |
---|---|---|---|---|---|
Diagnostic tests | |||||
Echocardiogram | 6994 (55.0) | 2765 (57.8) | 2803 (54.9) | 1426 (50.6) | 0.6 |
Ejection fraction | |||||
Available | 6436 (50.7) | 2497 (52.2) | 2586 (50.7) | 1353 (48.0) | 0.8 |
Mean ± std | 54.0 ± 11.8 | 54.6 ± 11.8 | 53.9 ± 11.6 | 53.3 ± 12.3 | 0.5 |
Biomarkers | 0.04 | ||||
None | 1338 (10.5) | 393 (8.2) | 466 (9.1) | 479 (17.0) | |
CK only | 855 (6.7) | 263 (5.5) | 399 (7.8) | 193 (6.9) | |
CK-MB only | 4685 (36.9) | 2094 (43.8) | 1650 (32.3) | 941 (33.4) | |
Troponin only | 395 (3.1) | 112 (2.3) | 231 (4.5) | 52 (1.9) | |
CK-MB + Troponin | 5433 (42.8) | 1922 (40.2) | 2359 (46.2) | 1152 (40.9) | |
Medications within 24 hours of admission | |||||
Aspirin | 11209 (88.2) | 4191 (87.6) | 4591 (89.9) | 2427 (86.2) | 0.2 |
Clopidogrel | 7418 (58.4) | 2739 (57.3) | 3104 (60.8) | 1575 (55.9) | 0.7 |
GP IIb/IIIa inhibitors | 877 (6.9) | 306 (6.4) | 392 (7.7) | 179 (6.4) | 0.8 |
Unfractionated heparin | 9753 (76.8) | 3740 (78.2) | 3840 (75.2) | 2173 (77.1) | 0.6 |
Low-molecular-weight heparin | 6953 (54.7) | 2692 (56.3) | 2742 (53.7) | 1519 (53.9) | 0.8 |
Beta-blockers | 6328 (49.8) | 2346 (49.0) | 2657 (52.1) | 1325 (47.0) | 0.4 |
Nitrates | 10677 (84.0) | 3989 (83.4) | 4325 (84.7) | 2363 (83.9) | 0.9 |
Traditional Chinese medicines | 7251 (57.1) | 2736 (57.2) | 2680 (52.5) | 1835 (65.1) | 0.3 |
Medications during the hospitalization | |||||
Calcium channel blockers | 2206 (17.4) | 838 (17.5) | 893 (17.5) | 475 (16.9) | 0.9 |
ACEIs or ARBs | 8345 (65.7) | 3226 (67.4) | 3311 (64.9) | 1808 (64.2) | 0.7 |
Any Statins | 9833 (77.4) | 3683 (77.0) | 4058 (79.5) | 2092 (74.3) | 0.5 |
Traditional Chinese medicines | 8605 (67.7) | 3314 (69.3) | 3210 (62.9) | 2081 (73.9) | 0.4 |
Reperfusion therapies among STEMI | |||||
Primary PCI | 1307 (12.0) | 506 (12.1) | 606 (14.1) | 195 (8.1) | 0.5 |
Fibrinolytic therapy | 2637 (24.2) | 1108 (26.4) | 976 (22.7) | 553 (23.0) | 0.4 |
Cardiac procedures | |||||
Catheterization | 3483 (27.4) | 1357 (28.4) | 1457 (28.5) | 669 (23.8) | 0.8 |
PCI | 3013 (23.7) | 1165 (24.4) | 1284 (25.2) | 564 (20.0) | 0.7 |