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. 2011 Apr;8(4):509–516. doi: 10.1089/fpd.2010.0714

Table 1.

Foodborne Diseases Active Surveillance Network Classification Matrix Used to Estimate the Total Number of Domestically Acquired (DA+) and Sporadic Cases of Laboratory-Confirmed Salmonellosis

    International travel  
Outbreak   Yes No Unknown
Yes a koi  
No kti ksi bi
Unknown   ai Ui

Cell parameters reflect variable designations used in Bayesian models outlined in Table 2 to estimate the unknown portions of cases (gray cells) that were either DA+, sporadic, or both.

a

This cell had very few cases in the FoodNet database. Since the proportion of cases assigned to this category was negligible compared to the other categories, and since these cases were likely misclassified, these cases were re-classified as sporadic, international travel-related (kti).

FoodNet, Foodborne Diseases Active Surveillance Network.

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