Research Article
Prevalence and Diversity among Anaplasma phagocytophilum Strains Originating from Ixodes ricinus Ticks from Northwest Norway
Table 1
Statistical analysis of the infection rates in nymphs and adult female ticks.
| A. phagocytophilum infection rates in 2010, 2011, and 2012 | ā | Not infected | Infected | Total | Chi-Square | P value | p |
| 2010 | Nymph | 514 | 15 | 529 | 0,000 |
1.000 | 0,01 | Adult | 69 | 2 | 71 | Total | 583 | 17 | 600 |
| 2011 | Nymph | 521 | 17 | 538 | 0,420 | 0.711 | 0,01 | Adult | 62 | 3 | 65 | Total | 583 | 20 | 603 |
| 2012 | Nymph | 523 | 17 | 540 | 0,003 | 1.000 | 0,01 | Adult | 59 | 2 | 61 | Total | 582 | 19 | 601 |
|
|