Table 3.

Summary of the results from Spatiotemporal scan analysis of chiggers in Jiangsu Province (2006–2023)

Aggregate Type	Convergence Centre (Lat, Long)	Radius of Influence (km)	Counties Covered	Aggregation Time	Actual Number of Incidents	Expected Number of Cases	LLR	RR	p-Value
Type I	33.77 N,120.33E	198.31	45	2014/1/1-2021/12/31	11,394	3439	8698.04	8.02	< 0.001
Type II	33.34 N,120.16E	99.97	6	2011/1/1-2012/12/31	507	123	337.25	4.20	< 0.001
	33.99 N,119.83E	0	1	2006/10/1-2007/12/31	175	17	249.79	10.33	< 0.001
	33.03 N,119.03E	0	1	2006/10/1-2012/12/3	184	28	192.37	6.68	< 0.001

Note: “0 km radius” indicates that the detected cluster includes only one administrative unit, and thus the spatial extent confined to a single location