| Field | Number of completed fields | Total number of cases | % of cases | 
      
        | Type of sample | 1203 | 1208 | 99.6 | 
      
        | Result of test | 1193 | 1208 | 98.8 | 
      
        | Type of test performed | 1204 | 1208 | 88.7 | 
      
        | Number of samples submitted | 525 | 1208 | 43.5 | 
      
        | Age | 336 | 1208 | 27.8 | 
      
        | Sex | 134 | 1208 | 11.1 | 
      
        | Number of animals in herd or flock | 106 | 1208 | 8.8 | 
      
        | Number of positive samples given a positive    test result | 264 | 859 | 30.7 | 
      
        | Number of positive samples given a positive    test result where the number of samples submitted was supplied | 262 | 405 | 64.7 |