Table 4.
Secondary Outcomes by Level of Cardiac Troponin Elevation
| Mild cTn Elevation, > 1 to < 2x ULN | Severe cTn Elevation, ≥ 2x ULN | P -value | |
|---|---|---|---|
| n | 69 | 46 | |
| Readmitted (%) | 10 (14.5) | 2 (4.3) | 0.152 |
| In-Hospital Mortality or Readmission (%) | 26 (37.7) | 22 (47.8) | 0.375 |
| Admitted to ICU (%) | 38 (55.1) | 35 (76.1) | 0.036 |
| Required ICU During Admission (%) | 47 (68.1) | 41 (89.1) | 0.017 |
| ECMO (%) | 3 (4.3) | 3 (6.7) | 0.910 |
| Tracheostomy (%) | 8 (11.6) | 3 (6.7) | 0.585 |
| Required Pressors (%) | 30 (43.5) | 35 (76.1) | 0.001 |
| Required Inotropes (%) | 4 (5.8) | 11 (23.9) | 0.011 |
| Total 60-Day MAE (%) | 30 (43.5) | 27 (58.7) | 0.159 |
| PE (%) | 5 (7.2) | 7 (15.2) | 0.290 |
| DVT (%) | 4 (5.8) | 7 (15.2) | 0.174 |
| Renal Replacement Therapy (%) | 11 (15.9) | 14 (30.4) | 0.106 |
| Life-threatening Arrhythmia (%) | 12 (17.4) | 12 (26.1) | 0.373 |
| Stroke (%) | 0 (0.0) | 0 (0.0) | 1.000 |
| Acute HF Exacerbation (%) | 4 (5.8) | 6 (13.0) | 0.311 |
cTn = cardiac troponin; ULN = upper limit of normal; ICU = intensive care unit; ECMO = extracorporeal membrane oxygenation, MAE = major adverse event; PE = pulmonary embolism; DVT = deep venous thrombosis