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Table 2 Prevalence of A. phagocytophilum in I. ricinus per site in 2011–2013

From: Anaplasma phagocytophilum prevalence in ticks and rodents in an urban and natural habitat in South-Western Slovakia

Site

 

2011

2012

2013

  

Total

 

% (pos/ex)

95 % CI

% (pos/ex)

95 % CI

% (pos/ex)

95 % CI

χ 2

P

% (pos/ex)

Bratislava

Nymphs

7.0 (48/686)

5.2–9.1

5.6 (11/195)

2.6–9.2

2.0 (9/455)

0.9–3.3

14.409

0.001

5.1 (68/1336)

 

Females

15.6 (22/141)

9.7–22.1

18.0 (11/61)

8.2–27.9

6.4 (10/156)

2.6–10.3

8.444

0.015

12.0 (43/358)

 

Males

10.7 (19/178)

6.4–15.5

11.8 (8/68)

4.4–19.1

8.5 (15/177)

4.5–12.4

0.785

0.675

9.9 (42/423)

 

Total

8.9 (89/1005)

7.2–10.6

9.3 (30/324)

6.2–12.7

4.3 (34/788)

2.9–5.7

15.940

<0.001

7.2 (153/2117)

Fúgelka

Nymphs

0.8 (9/1067)

0.4–1.4

3.7 (11/295)

1.7–5.8

3.4 (9/263)

1.5–5.7

15.777

<0.001

1.8 (29/1625)

 

Females

6.0 (9/150)

2.7–10.0

6.8 (4/59)

1.7–13.6

4.0 (3/75)

0.0–9.3

 

0.790a

5.6 (16/284)

 

Males

9.1 (15/164)

4.9–14.0

2.4 (2/82)

0.0–6.1

8.8 (9/102)

3.9–14.7

3.939

0.140

7.5 (26/348)

 

Total

2.4 (33/1381)

1.7–3.2

3.9 (17/436)

2.1–5.7

4.8 (21/440)

2.7–6.8

7.227

0.027

3.1 (71/2257)

  1. (pos/ex), number of positive/number of examined; 95 % CI, confidence interval; χ 2, goodness-of-fit test; P, significance level
  2. aFisher’s exact test was used to compare prevalence in females among years because the condition of χ 2 goodness-of-fit test was not fulfilled