Table 2: Clusters identified with statistically higher risks inside the cluster than outside the cluster and characteristics of the clusters
Cluster; characteristicsAcute coronary syndromesHeart failure
Cluster 1 (primary)
Area identification numbers27, 28, 53, 56, 59, 60, 63, 64, 65, 6660, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70
Population190 646189 630
No. of observed patients926677
No. of expected patients619.43399.32
Observed/expected1.491.70
Relative risk1.581.81
p value< 0.001< 0.001
Cluster 2 (secondary)
Area identification numbers35, 36, 38, 39, 40, 556, 7
Population67 59658 865
No. of observed patients441298
No. of expected patients257.67173.29
Observed/expected1.711.72
Relative risk1.761.77
p value< 0.001< 0.001
Cluster 3 (secondary)
Area identification numbers1, 2, 3, 4, 5, 6, 7, 2534, 35, 38, 39
Population158 29045 904
No. of observed patients819212
No. of expected patients581.53154.85
Observed/expected1.411.37
Relative risk1.471.39
p value< 0.0010.003