Table 2.
Prevalence of Rickettsia spp. in Ixodes ricinus nymphs in Germany in 2009/2010 compared to 2019.
| 2009/2010 | 2019 | Prevalence | Comparison 2009/2010 and 2019 | |||||
|---|---|---|---|---|---|---|---|---|
| Federal state | Number of ticks analyzed | Positive ticks | Number of ticks analyzed | Positive ticks | 2009/2010 (CI) | 2019 (CI) | P-value | OR (CI) |
| BW | 60 | 0 | 100 | 5 | 0 (0, 5.96) |
4.76 (1.56 10.76) |
0.16 | |
| BY | 110 | 3 | 101 | 0 | 2.73 (0.57, 7,76) |
0 (0.00, 3,59) |
0.25 | 0 (0.00, 2.70 |
| NI | 106 | 12 | 101 | 9 | 11.32 (5.99, 18.94) |
8.91 (4.16, 16.24) |
0.65 | 0.79 (0.28, 2.14) |
| MV | 101 | 16 | 106 | 15 | 15.84 (9.33, 24.45) |
14.15 (8.14, 22.26) |
0.85 | 0.89 (0.39, 2.04) |
| NW | 107 | 7 | 100 | 5 | 6.54 (2.67, 13.02) |
5.00 (1.64, 11.28) |
0.77 | 0.77 (0.19, 2.90) |
| SL | 116 | 22 | 101 | 13 | 18.97 (12.28, 27.29) |
12.87 (7.04, 21.00) |
0.36 | 0.68 (0.30, 1.49) |
| TH | 103 | 2 | 99 | 3 | 1.94 (0.24, 6.84) |
3.03 (0.63, 8.60) |
0.68 | 1.56 (0.17, 19.01) |
CI, confidence interval; OR, odds ratio; BW, Baden-Wuerttemberg; BY, Bavaria; NI, Lower Saxony; MV, Mecklenburg-West Pomerania; NW, North Rhine-Westphalia; SL, Saarland; TH, Thuringia.