Fig. 5

Clusters of colon-rectum cancer cases found by different methods: a geographic variations of standardized incidence ratio, b Mapping of the log relative risks estimated by the CAR model using hierarchical Bayesian spatial modeling without adjustment on the Townsend index, c SaTScan clusters without adjustment on the Townsend index (2 clusters of high risk), d Mapping of the log relative risks estimated by the heterogeneity model using hierarchical Bayesian spatial modeling without adjustment on the Townsend index (lightest to darkest color)