Table 2.
Treatment Effects
| Annual Hospital Volume of Cardiogenic Shock Weighted N (%) | P Value | ||||
|---|---|---|---|---|---|
| ≤27 Cases | 28 to 58 Cases | 59 to 106 Cases | ≥107 Cases | ||
| Early revascularization (total) | 27 664 (20.60) | 50 905 (39.48) | 53 992 (41.88) | 48 143 (36.39) | <0.001 |
| Thrombolysis | 2034 (1.53) | 1783 (1.39) | 1982 (1.55) | 1416 (1.09) | 0.002 |
| Percutaneous coronary intervention | 22 343 (16.64) | 37 537 (29.11) | 35 212 (27.31) | 24 931 (18.85) | <0.001 |
| Coronary artery bypass graft (total) | 6663 (4.96) | 16 403 (12.72) | 21 882 (16.97) | 25 614 (19.36) | <0.001 |
| Valvular surgery | 1694 (1.26) | 5047 (3.91) | 8368 (6.49) | 12 957 (9.79) | <0.001 |
| Intra‐aortic balloon pump | 22 382 (16.78) | 40 587 (31.67) | 42 070 (32.91) | 35 495 (27.21) | <0.001 |
| Ventricular assist device | 82 (0.06) | 320 (0.25) | 1577 (1.23) | 4350 (3.33) | <0.001 |
| Biventricular assist device | 29 (0.02) | 19 (0.02) | 140 (0.11) | 285 (0.22) | <0.001 |
| TandemHeart device | 49 (0.04) | 132 (0.10) | 232 (0.18) | 644 (0.49) | <0.001 |
| Extracorporeal membrane oxygenation | 403 (0.30) | 324 (0.25) | 760 (0.59) | 2878 (2.21) | <0.001 |
| Mechanical ventilation | 71 760 (53.81) | 70 556 (55.05) | 71 591 (56.01) | 69 082 (52.95) | 0.14 |
| Hemodialysis | 9246 (6.93) | 11 358 (8.86) | 12 238 (9.57) | 14 631 (11.22) | <0.001 |
| Treatment effects within 24 hours | |||||
| Early revascularization within 24 hours | 2623 (17.13) | 5259 (34.49) | 6406 (39.73) | 5922 (34.14) | <0.001 |
| Valvular surgery within 24 hours | 259 (1.69) | 693 (4.54) | 1079 (6.69) | 1685 (9.72) | <0.001 |