Detection of arbitrarily-shaped clusters using a neighbor-expanding approach: A case study on murine typhus in South Texas

Table 4 Cluster detection analysis result for Murine Typhus case in the south Texas from 1996 ~ 2000 at the census block group level

	MLF		NGG		FlexScan		SaTScan				SA
	Most Likely Cluster	Secondary Cluster	Most Likely Cluster	Secondary Cluster	Most Likely Cluster	Secondary Cluster	Most Likely Cluster		Secondary Cluster		Most Likely Cluste	Secondary Cluster
							Circular	Elliptic	Circular	Elliptic
Population	1,728,393
Total case	391
LLR	186.43	9.33	197.51	6.15	42.95	36.95	97.60	124.69	6.67	6.49	177.15	N/A
# of zones	71	11	94	1	16	9	127	121	27	3	164	N/A
Observed #	142	12	167	3	30	25	145	138	2518	6	220	N/A
Expected #	18.96	2.53	26.5	0.15	3.01	2.37	33.54	28.99	6.69	0.87	50.5	N/A
p-value	0.01	0.25	0.01	0.32	0.01	0.01	0.01	0.01	0.42	0.74	0.01	N/A

ISSN: 1476-072X