Table 4.

Spatial-temporal clusters of PRV gE seroprevalence in China in 2022.

Cluster	Coordinates	Cluster radius (km)	Time range (yr/mo/day)	Relative risk	Log likelihood ratio	P-value
1	42.313505 N, 121.849035 E	92.88	2022/6/1–2022/11/30	6.5	2,037.92	<10−17
2	32.183738 N, 111.832792 E	247.57	2022/12/1–2022/12/31	6.54	1,675.08	<10−17
3	34.040922 N, 118.058937 E	297.86	2022/5/1–2022/10/31	2.97	927.48	<10−17
4	39.226308 N, 112.643375 E	95.62	2022/4/1–2022/9/30	7.07	927.34	<10−17
5	37.074554 N, 104.895751 E	113.76	2022/8/1–2022/12/31	2.94	898.77	<10−17