Table 2.
Left ventricular ejection fraction (LVEF) data.
| Left ventricular ejection fraction (LVEF) definition | Admission | 1st follow-up | 2nd follow-up | 3rd follow-up | 4th follow-up | |
|---|---|---|---|---|---|---|
| Farooqui et al. | Normal (LVEF >50%) | 51% | 90% | 97% | 100% | - |
| Mild | 18% | 8% | 3% | 0% | - | |
| Moderate or severe | 7% | 0% | 0% | 0% | - | |
| Capone et al. | Mild (LVEF 45%–55%) | 30% | 2% | 0% | 0% | - |
| Moderate (LVEF 35%–45%) | 22% | 0% | 0% | 0% | - | |
| Severe (LVEF <35%) | 0% | 0% | 0% | 0% | - | |
| Das et al. | Mild | 42% | 10% | 0% | - | - |
| Moderate | 0% | 0% | 0% | - | - | |
| Severe | 0% | 0% | 0% | - | - | |
| Chakraborty et al. | Normal (LVEF >55%) | 24% | 100% | 100% | - | - |
| Mild (LVEF 45%–54%) | 43% | 0% | 0% | - | - | |
| Moderate (LVEF 35–44%) | 24% | 0% | 0% | - | - | |
| Severe (LVEF <35%) | 10% | 0% | 0% | - | - | |
| Arslan et al. | Depressed | 12% | 0% | - | - | - |
| Barris et al. | LVEF <55% | 44% | 13% | 0% | - | - |
| Garbin et al. | LVEF <45% | 31% | 0% | 0% | - | - |
| Jhaveri et al. | LVEF <55% | 62% | 23% | - | - | - |
| Omeir et al. | LVEF <50% | 12% | 0% | 0% | 0% | 0% |
| Patnaik et al. | LVEF <50% | 48% | 0% | - | - | - |
| Sirico et al. | LVEF <55% | 31% | 11% | 4% | - | - |