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Table 1 Seroprevalence of Toxoplasma gondii infection in Tibetan sheep in Gansu Province, northwest China by modified agglutination test (MAT)

From: Seroprevalence and risk factors of Toxoplasma gondii in Tibetan Sheep in Gansu province, Northwestern China

Factor Category No. tested No. positive Prevalence (%) 95% CI p-value a
Regions Maqu 770 190 24.7 21.63-27.72 P < 0.001
  Tianzhu 962 162 16.8 14.48-19.21  
Gender Male 531 121 22.8 19.22-26.36 P = 0.052
  Female 1201 231 19.2 17.01-21.46  
Season Spring 480 108 22.5 18.76-26.24 P = 0.036
  Summer 398 94 23.6 19.45-27.79  
  Autumn 479 88 18.4 14.90-21.84  
  Winter 375 62 16.5 12.77-20.29  
Age (yr) 0 < yr ≤ 1 335 70 20.9 16.54-25.25 P = 0.729
  1 < yr ≤ 3 585 124 21.2 17.89-24.51  
  3 < yr ≤ 5 515 96 18.6 15.28-22.00  
  5 < yr 297 62 20.9 16.25-25.50  
Pregnancies 0 432 82 19.0 15.28-22.68 P = 0.545
  1 186 36 19.4 13.68-25.03  
  2 252 42 16.6 12.07-21.27  
  ≥3 331 71 21.5 17.03-25.87  
Total   1732 352 20.3 18.43-22.22  
  1. aP values were calculated using Chi square test.