Table 1 The location (latitude and longitude), radius (km), number of respondents, tick prevalence and relative risk for significant clusters of cases of farms with tick infestation in sheep and cattle, as identified by SaTScanTM analysis of data from a retrospective questionnaire survey in Great Britain
Farm | Cluster location (lat/long of cluster centroid) | Cluster radius (km) | No. of respondents in cluster | Tick prevalence (%) | Relative risk |
|---|---|---|---|---|---|
Sheep | N Wales*** (52.94, − 4.43) | 57.23 | 23 | 65.2 | 5.43 |
NW England*** (54.41, − 3.43) | 44.45 | 21 | 66.7 | 5.49 | |
SW Scotland* (55.33, − 5.69) | 70.16 | 5 | 100 | 7.52 | |
N Scotland* (56.48, − 5.98) | 103.29 | 17 | 58.8 | 4.62 | |
Cattle | N Wales*** (52.94, − 4.43) | 57.23 | 24 | 54.2 | 7.79 |
NW England*** (54.29, − 3.26) | 46.32 | 29 | 48.3 | 7.03 | |
W Scotland** (55.48, − 5.98) | 103.29 | 5 | 100 | 12.78 |