Table 4.
Set | Cluster* | Group† | Time frame (2010) | Cluster size (radius km) | No. obs. | No. exp. | LLR | RR | P value |
---|---|---|---|---|---|---|---|---|---|
1 | 1 | n.a. | 1 Apr. to 30 Sept. | 39·38 | 24 | 10·3 | 14·54 | 2·82 | 0·0006 |
2 | 1 | n.a. | 1 Mar. to 31 Aug. | 53·55 | 23 | 9·63 | 14·70 | 2·86 | 0·0002 |
2 | n.a. | 1 Mar. to 31 Aug. | 53·89 | 30 | 15·94 | 10·65 | 2·32 | 0·0033 | |
3 | 1 | 1 | 1 Mar. to 31 Aug. | 53·55 | 5 | 1·5 | 20·05 | 6·00 | 0·00022 |
2 | 15 | 4·87 | 4·50 | ||||||
3 | 2 | 0·61 | 3·78 | ||||||
4 | 1 | 0·81 | 1·25 |
No. obs, Number of observed cases; No. exp, number of expected cases; LLR, log likelihood ratio; RR, relative risk; n.a., not applicable.
Cluster 1 is the most likely cluster.
Groups are classified as in Table 1 for running set 3 only. Only four groups were included in the cluster identified from this running set.