Table 3.
Cluster type | Counties (n) | Radius (km) | Observed cases | Expected cases | rLLR | RR | P value |
---|---|---|---|---|---|---|---|
Most likely | 9 | 153.11 | 1851 | 1050.48 | 284.36 | 1.76 | 0.001 |
Secondary | 1 | 0a | 332 | 82.84 | 214.85 | 4.01 | 0.001 |
2nd secondary | 4 | 42.46 | 972 | 505.52 | 180.46 | 1.92 | 0.001 |
3rd secondary | 7 | 82.30 | 808 | 479.91 | 98.48 | 1.68 | 0.001 |
4th secondary | 1 | 0a | 282 | 137.47 | 59.14 | 2.05 | 0.001 |
5th secondary | 3 | 52.51 | 431 | 246.12 | 58.34 | 1.75 | 0.001 |
6th secondary | 3 | 12.92 | 263 | 172.40 | 20.89 | 1.53 | 0.001 |
Note: Radius = 0 means there is only one county in this cluster.