Table 4.
Spatio-temporal clusters by space-time permutation model on lumpy skin disease outbreaks in cattle farms in Roi Et, Thailand 2021.
| Cluster | Cluster time | Centroid (X, Y)/Radius (km) | O | E | O/E ratio | LLR | P-value |
|---|---|---|---|---|---|---|---|
| 1a | 27 Mar−2 Apr, 2021 | (15.741942 N, 104.111556 E)/1.80 km | 10 | 0.22 | 45.80 | 14.12 | <0.001 |
| 2b | 27 Feb−5 Mar, 2021 | (15.945926 N, 104.001130 E)/10.59 km | 45 | 18.24 | 2.47 | 14.71 | <0.001 |
| 3b | 3–9 Apr, 2021 | (16.143228 N, 103.866746 E)/1.14 km | 4 | 0.079 | 50.89 | 11.81 | <0.001 |
| 4b | 20–26 Mar, 2021 | (15.869057 N, 103.838428 E)/2.39 km | 12 | 2.27 | 5.28 | 10.35 | <0.001 |
| 5b | 27 Feb−5 Mar, 2021 | (15.930841 N, 103.841493 E)/0.50 km | 13 | 2.93 | 4.43 | 9.39 | 0.0013 |
| 6 b | 3–9 Apr, 2021 | (15.851752 N, 103.920523 E)/less than 1 km | 3 | 0.059 | 50.89 | 8.85 | 0.0026 |
| 7 b | 6–12 Mar, 2021 | (16.059356 N, 103.903998 E)/6.67 km | 51 | 28.10 | 1.81 | 8.11 | 0.0067 |
a
Most likely cluster;
b
secondary cluster, O, observed case; E, expected case; O/E ratio, ratio of observed cases/expected cases; LLR, log likelihood ratio.