Table 2

Results of SaTScan tests that allow overlap among identified statistically significant clusters.

Study Region
 Units of analysis
 Highly significant clusters, p ≤ 0.01
 Significant clusters, 0.01 < p ≤ 0.05
 Maximum Relative Risk
 Accepted contributing clusters




Count
 Population range
 Count
 Population



RC A
 Set 11
 3
 8919, 25863
 0
 n.a.
 2.27
 2

Set 22
 2
 16390, 27967
 0
 n.a.
 1.91
 1

Points3
 3
 5, 7569
 1
 19963
 2.74
 2
RC B
 Set 11
 0
 n.a.
 1
 14197
 1.48
 0

Set 22
 0
 n.a.
 0
 n.a.
 n.a.
 0

Points3
 0
 n.a.
 1
 9
 63.66
 0

1 Maximum unit population of 1,000.

2 Maximum unit population of 2,000.

3 Point analysis is only done with SaTScan

Accepted contributing clusters have a p ≤ 0.05, RR ≥ 1.7 and birth population ≥ 1000.

Van Meter et al. International Journal of Health Geographics 2008 7:26   doi:10.1186/1476-072X-7-26