| Value | Category | Cases | |
|---|---|---|---|
| 1 | severe | 1 | 
                                    
                                    1.3%
                                 | 
| 2 | moderate | 14 | 
                                    
                                    17.9%
                                 | 
| 3 | mild | 26 | 
                                    
                                    33.3%
                                 | 
| 4 | not anemic | 29 | 
                                    
                                    37.2%
                                 | 
| 9 | 8 | 
                                    
                                    10.3%
                                 | |
| Sysmiss | 831 |