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Table 2 Risk analysis with oocyst concentrations ≥ 10,000 oocyst numbers per gram of feces in individual sample

From: Epidemiological investigation and drug resistance of Eimeria species in Korean chicken farms

 

Total cases (%)

Cases of over 10,000 oocyst/g (%)

Specific Rates (%)

OR

95% CI

P value

Type of Chickens

 Broiler

278 (71.65)

102 (90.27)

36.69

8.26

3.115–21.78

 < 0.0001

***

 Native chicken

27 (6.96)

7 (6.19)

25.93

4.99

1.319–16.17

0.0303

*

 Broiler breeder

12 (3.09)

0 (0)

0.00

0.00

0.00–5.698

 > 0.999

NS

 Layer Breeder

10 (2.58)

0 (0)

0.00

0.00

0.00–7.060

 > 0.999

NS

 Lay hen

61 (15.72)

4 (3.54)

6.56

Reference

   

TOTAL

388 (100)

113 (100)

29.12

    

Type of Management

 Free-ranged

313 (80.67)

109 (96.46)

34.82

9.484

3.449–24.85

 < 0.0001

***

 Caged

75 (19.33)

4 (3.54)

5.33

Reference

   

TOTAL

388 (100)

113 (100)

29.12

    
  1. OR Odds Ratio, CI Confidence Interval, NS Not significant
  2. * P < 0.05, ***P < 0.001