Meta-analysis results for all treatments 
            
                 
            
        
            
            Treatment relative effect with 95% CI; and degree of certainty (adaptated from GRADE).
            
                
                method
            
        
        
            
                | Treament | Trials |  |  | 
            
                | clinical deterioration | clinical improvement | deaths | viral clearance | 
            | anti-inflammatory therapies | 6 | - | - | OBS  0.83 [0.57; 1.22], 6 studies, I2=48% inconclusive result
 | - |  | 
| corticosteroids | 1 | - | - | - | - |  | 
| Immunostimulants drugs | 1 | - | - | - | - |  | 
| Immunosuppressants drugs | 1 | - | - | - | - |  | 
| Apilimod | 0 | - | - | - | - |  | 
| inhaled corticosteroids | 0 | - | - | - | - |  | 
| Kinase inhibitors | 0 | - | - | - | - |  | 
| leflunomide | 0 | - | - | - | - |  | 
| meplazumab | 0 | - | - | - | - |  | 
| pirfenidone | 0 | - | - | - | - |  | 
| Polyinosinic-Polycytidylic Acid | 0 | - | - | - | - |  | 
| sargramostim | 0 | - | - | - | - |  | 
| statins | 0 | - | - | - | - |  | 
| thymosin | 0 | - | - | - | - |  |