Table 6.

Results of a local clustering analysis using Kulldorff's scan test. All 69 BSE cases (no distinction between cohorts).

	First cluster	Second cluster
Population size inside cluster	329786	26611
Number of cases in cluster	30	8
Expected number of cases	12.53	1.01
Annual number of cases/100000	2.3	7.5
Observed/expected	2.393	7.910
Relative Risk	3.47	8.82
Log likelihood ratio	11.75	9.93
p-value	0.0387	0.1795