Table 2. Global spatial autocorrelation analysis of hepatitis B in China from 2004 to 2020.

Year	Moran’s I	Expected index	Variance	Z values	P value
2004	0.2084	−0.0333	0.0057	3.2149	.001
2005	0.2024	−0.0333	0.0056	3.1603	.002
2006	0.1499	−0.0333	0.0056	2.4583	.014
2007	0.1304	−0.0333	0.0055	2.2073	.027
2008	0.1319	−0.0333	0.0053	2.2678	.023
2009	0.1089	−0.0333	0.0047	2.0844	.037
2010	0.1158	−0.0333	0.0054	2.0309	.042
2011	0.1227	−0.0333	0.0056	2.0895	.037
2012	0.0816	−0.0333	0.0055	1.5496	.121
2013	0.0581	−0.0333	0.0054	1.2471	.212
2014	0.1019	−0.0333	0.0057	1.7838	.074
2015	0.1109	−0.0333	0.0058	1.8991	.058
2016	0.0759	−0.0333	0.0057	1.4872	.149
2017	0.1082	−0.0333	0.0057	1.8735	.061
2018	0.1009	−0.0333	0.0058	1.7582	.079
2019	0.0999	−0.0333	0.0058	1.7432	.081
2020	0.1308	−0.0333	0.0058	2.1482	.032