Table 13. Linkage disequilibrium analyses of PADI4 rs11203366, rs1886302, rs1635562, rs1635564, rs16825533, rs2240337, rs2477137 in case group.

D‘:	rs1886302	rs11203366	rs16825533	rs2240337	rs1635564	rs1635562
rs2477137	0.942	0.619	0.717	0.766	0.085	0.42
rs1886302	-	0.658	0.687	0.653	0.18	0.214
rs11203366	-	-	1	0.748	0.245	0.251
rs16825533	-	-	-	0.997	0.319	0.07
rs2240337	-	-	-	-	0.445	0.661
rs1635564	-	-	-	-	-	0.879

r2:	rs1886302	rs11203366	rs16825533	rs2240337	rs1635564	rs1635562
rs2477137	0.381	0.133	0.184	0.232	0.007	0.019
rs1886302	-	0.341	0.072	0.072	0.015	0.011
rs11203366	-	-	0.123	0.078	0.023	0.019
rs16825533	-	-	-	0.008	0.034	0
rs2240337	-	-	-	-	0.005	0.018
rs1635564	-	-	-	-	-	0.089

D'>0, r²>0: There were linkage disequilibrium correlations among different loci; D'>0.7, r²>0.3: there were closer linkage disequilibrium correlation among different loci.