Table 1 The prevalence of Cryptosporidium infection in calves in relation to different factors.

From: Prevalence of Cryptosporidium infection and associated risk factors in calves in Egypt

Factors

No of examined animals

No of positive

No of negative

% of positive

95% CI

Statistic

Locality

 Kafr ElSheikh

150

37

113

24.67

18.46–32.14

χ2 = 5.494 df = 2

P = 0.064

 Qalyubia

140

20

120

14.29

9.45–21.04

 Gharbia

140

24

116

17.14

11.8–24.24

Breed

 Holstein

170

25

145

14.71

10.17–20.81

χ2 = 3.139 df = 1

P = 0.076

 Mixed-breed

260

56

204

21.54

16.98–26.93

Sex

 Male

190

37

153

19.47

14.47–25.68

χ2 = 0.090 df = 1

P = 0.764

 Female

240

44

196

18.33

13.95–23.71

Age (month)

 < 2 

100

13

87

13.00

7.76–20.98

χ2 = 7.905 df = 2

P = 0.011*

 2–6

150

23

127

15.33

10.44–21.95

 > 6

180

45

135

25.00

19.24–31.8

Body condition score

 Poor

180

35

145

19.44

14.32–25.83

χ2 = 0.075 df = 1

P = 0.785

 Good

250

46

204

18.40

14.09–23.67

Feed source

 Pasture

150

18

132

12.00

7.73–18.17

χ2 = 7.043 df = 1

P = 0.008*

 Pasture and milk

280

63

217

22.50

18–27.74

Hygienic status

 Good

170

22

148

12.94

8.7–18.82

χ2 = 6.393 df = 1

P = 0.011*

 Poor

260

59

201

22.69

18.02–28.16

Presence of diarrhea

 Yes

320

70

250

21.88

17.7–27.63

χ2 = 7.550 df = 1

P = 0.006*

 No

110

11

99

10.00

5.68–17.02

Contact with domestic animals

 Yes

190

48

142

25.26

19.61–31.89

χ2 = 9.194 df = 1

P = 0.002*

 No

240

33

207

13.75

9.96–18.68

Total

430

81

349

18.84

15.43–22.81

 
  1. *The result considered significant if P < 0.05.