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Table 1 Relationship between PCR status for T. foetus and number of positive individuals with each risk factor, and proportion of PCR-positive cats by category with 95% confidence intervals (CI).

From: A cross-sectional study of Tritrichomonas foetus infection among healthy cats at shows in Norway

   T. foetus PCR   
Variable   Number negative Number positive Proportion
PCR +
95% CI
Age      
  > = 12 months 26 6 0.19 0.047, 0.33
  < 12 months 14 5 0.26 0.07, 0.46
Sex      
  Female 17 4 0.19 0.01, 0.37
  Male 24 7 0.23 0.07, 0.38
Cats in household      
  < = 3 20 4 0.17 0.01, 0.32
  4+ 19 7 0.27 0.10, 0.44
Region where cats lived      
  East 23 8 0.26 0.10, 0.42
  South-west 18 3 0.14 -0.01, 0.30
Cryptosporidium      
  No 39 11 0.22 0.10, 0.34
  Yes 1 0 No observations
Giardia      
  No 38 10 0.21 0.09, 0.33
  Yes 3 1 0.25 -0.25, 0.75
History of diarrhoea (n = 51)      
  No 19 2 0.10 -0.04, 0.23
  Yes 21 9 0.30 0.13, 0.47
Diarrhoea in household (n = 48)      
  No 13 1 0.07 -0.07, 0.23
  Yes 24 10 0.29 0.14, 0.45
  1. Results based on a cross-sectional study of 52 clinically healthy cats attending cat shows in Norway.