| Value | Category | Cases | |
|---|---|---|---|
| 1 | Mild | 60 | 
                                    
                                    29.3%
                                 | 
| 2 | Moderate | 95 | 
                                    
                                    46.3%
                                 | 
| 3 | Severe | 50 | 
                                    
                                    24.4%
                                 | 
| Sysmiss | 16306 |