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Table 3 Hierarchical identification of dogs with recordings of clinical attachment loss (CAL)1 mm

From: Screening for periodontal disease in research dogs - a methodology study

Tooth- pair examined All dogs (N = 98)
% CAL positive dogs found % CAL positive teeth found NPV* dogs
Max P4 54.5 79.8 0.63
+Max P3 70.9 89.7 0.73
+Max P2 76.4 92.7 0.77
+Max I1 81.8 95.0 0.81
+Max C 85.5 96.2 0.84
+Man M1 89.1 97.3 0.88
+Man I1 92.7 98.5 0.91
+Man P4 94.5 98.9 0.93
+Man M2 96.4 99.2 0.96
+Man P2 98.2 99.6 0.98
+Man I3 100 100 1.00
  1. The proportion of the total number of CAL positive dogs, respectively teeth that are identified by examination of the indicated tooth pairs (sensitivity). Also given for each combination of tooth-pairs is the proportion of test-negative dogs that are truly negative for the presence of CAL ≥1 mm (Negative predictive value).
  2. *Negative predictive value of screen test at dog level.