Table 1.
Prevalence of present/previous exposure to Coxiella burnetii
| Species | Positive | D | Negative | P | No. | OR | 95% CI | Yates χ2 | P |
|---|---|---|---|---|---|---|---|---|---|
| Wildcat | 3 | — | 6 | 33·3 | 9 | NP | NP | 2·62 | 0·1 |
| Spanish ibex | 5 | 15 | 1 | 23·8 | 21 | 2 | 0·75–5·32 | 1·1 | 0·29 |
| Domestic sheep | 708 | 194 | 2837 | 18·9 | 3739 | 24·87 | 14·9–41·4 | 309·63 | ⩽0·05 |
| Red deer | 5 | 2 | 307 | 1·59 | 314 | 0·09 | 0·03–0·21 | 42·66 | ⩽0·05 |
| European mouflon | 3 | 1 | 207 | 1·42 | 211 | 0·08 | 0−0·24 | 28·54 | ⩽0·05 |
| Fallow deer | 1 | 0 | 555 | 0·17 | 556 | 0·009 | 0−0·05 | 100·36 | ⩽0·05 |
| Cattle | 1 | 3 | 403 | 0·24 | 407 | 0·01 | 0−0·07 | 69·52 | ⩽0·05 |
| Roe deer | 0 | 8 | 0 | 0 | 8 | NP | NP | NP | NP |
Odds ratio (OR) of the exposure to C. burnetii. χ2 difference test
D, Doubtful; P, prevalence of exposure (frequency expressed in %); No., total number of samples; CI, confidence interval; NP, not performed (it is not possible when the sample is small).