| Value | Category | Cases | |
|---|---|---|---|
| 1 | Mild | 24 | 
                                                                 
                                    
                                    14.6%
                                 
                                                             | 
                                                        
                    
| 2 | Moderate | 98 | 
                                                                 
                                    
                                    59.8%
                                 
                                                             | 
                                                        
                    
| 3 | Severe | 42 | 
                                                                 
                                    
                                    25.6%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 17480 |