. 2014 Oct 30;9(10):e109349. doi: 10.1371/journal.pone.0109349

Table 1. Outcomes of null allele frequency, linkage disequilibrium test, and HWE test.

Populations	Beijing	Hubei	Hebei	Henan	Jiangsu	Shandong	Shanxi
Null allele frequency (r)
Sm10	—	—	—	—	—	—	—
Sm11	—	—	—	0.06	—	0.07	—
Sm12	—	—	—	—	—	—	—
Sm17	0.08	—	0.03	0.06	0.08	—	—
Sa∑4	—	—	—	—	—	—	—
Linkage disequilibrium test (p-value)
Sm10-Sm11	0.51	0.01*	0.03*	0.75	0.34	0.64	0.04*
Sm10-Sm12	0.09	0.07	0.00*	1.00	0.74	1.00	0.12
Sm11-Sm12	1.00	0.00*	0.01*	0.19	NA	1.00	1.00
Sm11-Sm17	NA	0.01*	0.25	0.00*	0.94	0.00*	1.00
Sm12-Sa∑4	0.46	0.06	NA	NA	0.03*	NA	1.00
Sm10-Sm17	0.28	0.02*	0.21	0.04	0.11	0.77	0.06
Sm10-Sa∑4	0.24	0.76	NA	NA	0.66	0.61	0.97
Sm11-Sa∑4	1.00	0.26	NA	NA	1.00	0.46	1.00
Sm12-Sm17	0.21	0.02*	0.22	0.13	0.05	1.00	0.62
Sm17-Sa∑4	NA	0.39	NA	NA	0.60	0.74	0.17
HWE test (p-value)
heterozygote deficit	0.58	0.00^a	0.01^a	0.00^a	0.00^a	0.00^a	1.00
heterozygote excess	0.42	1.00	0.99	1.00	1.00	1.00	0.00^a

“—”: There were no null alleles detected.

“*”: p<0.05, significant linkage; “NA”: no contingency table.

^“a”

: P<0.05, significant deviation from Hardy-Weinberg equilibrium.