Table 3 Comparison of single and multiple I. ricinus infestations of cats and dogs over the study period (spring = March–May; summer = June–August; autumn = September–November; winter = December-February), with Bonferroni-corrected P-values
|  | Dogs | Cats | χ2 | df | P-value | Performed test | ||
|---|---|---|---|---|---|---|---|---|
Single infestation | Multiple infestation | Single infestation | Multiple infestation | |||||
Spring 2020 | 44/65.67% | 23/34.33% | 15/31.91% | 32/68.09% | 11.291 | 1 |  < 0.001 | Chi-square test |
Summer 2020 | 940/76.11% | 295/23.89% | 424/37.72% | 700/62.28% | 354.04 | 1 |  < 0.001 | Chi-square test |
Autumn 2020 | 337/92.33% | 28/7.67% | 422/70.10% | 180/29.90% | 65.195 | 1 |  < 0.001 | Chi-square test |
Winter 2020/2021 | 34/94.44% | 2/5.56% | 72/42.60% | 97/57.40% | na | na |  < 0.001 | Fisher’s exact test |
Spring 2021 | 1,603/82.67% | 336/17.33% | 1,220/34.00% | 2,368/66.00% | 1191.2 | 1 |  < 0.001 | Chi-square test |
Summer 2021 | 714/69.12% | 319/30.88% | 529/36.18% | 933/63.82% | 261.33 | 1 |  < 0.001 | Chi-square test |
Autumn 2021* | 23/95.83% | 1/4.17% | 9/64.29% | 5/35.71% | na | na | 0.01849 | Fisher’s exact test |