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Table 1 B . burgdorferi s.l. prevalence in questing ticks, collected in 7 regions in Estonia

From: Borrelia burgdorferi sensu lato prevalence in tick populations in Estonia

I. ricinus

I. persulcatus

Prevalence,% (total No. ticks tested)

95% CI

% prevalence (No. nymphs tested)

95% CI

Prevalence,% (No. adults tested)

95% CI

Prevalence,% (total No. ticks tested)

95% CI

Prevalence,% (No. nymphs tested)

95% CI

Prevalence,% (No. adults tested)

95% CI

Prevalence,% (total No. ticks tested)

95% CI

  

Ida-Virumaa

9.5 (21)

2.6-28.9

4.0 (50)

1.1-13.5

5.6 (71)

2.2-13.6

10.0 (10)

1.8-40.4

23.2 (99)

16.0-32.5

22.0 (109)

15.3-30.1

15.6 (180)

11.0-21.6

Tartumaa

3.0 (67)

0.8-10.2

10.9 (230)

7.5-15.6

9.1 (297)

6.3-12.9

7.8 (102)

4.0-14.7

10.4 (192)

6.9-15.6

9.5 (294)

6.7-13.4

9.3 (591)

7.2-11.9

Võrumaa-Valgamaa

-

 

9.9 (121)

5.8-16.5

9.9 (121)

5.8-16.5

-

 

24.6 (130)

18.0-32.7

24.6 (130)

18.0-32.7

17.5 (251)

13.3-22.7

Pärnumaa

3.5 (198)

1.7-7.1

7.8 (193)

4.8-12.4

5.6 (391)

3.8-8.4

0/1 a

 

4/6 a

 

4/7 a

 

6.5 (398)

4.5-9.4

Total in sympatric area

3 . 8 ( 286 )

2 . 2 - 6 . 8

9 . 1 ( 594 )

7 . 0 - 11 . 7

7 . 4 ( 880 ) ¥

5 . 8 - 9 . 3

7 . 9 ( 113 )

4 . 2 - 14 . 4

18 . 5 ( 79 / 427 )

15 . 1 - 22 . 5

88 / 540 ( 16 . 3 )Â¥

13 . 4 - 19 . 6

10 . 8 ( 1420 )**

9 . 3 - 12 . 5

Harjumaa

3.4 (178)

1.6-7.2

6.6 (166)

3.7-11.5

4.9 (344)

3.1-7.8

-

 

-

 

-

 

4.9 (344)

3.1-7.8

Läänemaa

8.0 (100)

4.1-15.0

4.0 (100)

1.6-9.8

6.0 (200)

3.5-10.2

-

 

-

 

-

 

6.0 (200)

3.5-10.2

Total in allopatric area , mainland

5 . 0 ( 278 )

3 . 0 - 8 . 3

5 . 6 ( 266 )

5 . 6 - 14 . 4

5 . 3 ( 544 ) ‡‡

3 . 7 - 7 . 5

      

5 . 3 ( 544 )**

3 . 7 - 7 . 5

Saaremaa

9.4 (425)

7.0-12.6

11.9 (444)

9.3-15.3

10.7 (869) ‡‡

8.8-12.9

-

 

-

 

-

 

10.7 (869)

8.8-12.9

Total in allopatric area

7 . 7 ( 703)

5 . 9 - 9 . 9

9 . 6 ( 710 )

7 . 6 - 12 . 0

8 . 6 ( 1413 )

7 . 3 - 10 . 2

      

8 . 6 ( 1413 )

7 . 3 - 10 . 2

Total

6.6 (989) ¥¥

5.2-8.3

9.4 (1304) ¥¥,‡

7.9-11.1

8.2 (2293) *

7.1-9.4

8.0 (113) ††

4.2-14.4

18.5 (427) ††,‡

15.1-22.5

16.3 (540) *

13.4-19.6

9.7 (2833)

8.7-10.9

  1. ¥,*, ‡ , **, ‡‡ Fisher’s exact and Poisson probability tests P < 0.0001.
  2. CI-Confidence Interval of a Proportion.
  3. a - no. of infected/ tested;% prevalence as well as 95% CI were omitted due to small number of samples.