Table 5. The chi-square (X²) results of various KIR loci in 10 Han populations.

Populations	Number	Framework genes or pseudogene				Functional genes													Citations
		3DL3	2DL4	3DL2	3DP1	3DL1	2DL1	2DL3	2DS4	2DL2	2DL5	3DS1	2DS1	2DS2	2DS3	2DS5	2DP1	1D
Eastern Han	123	1.0000	1.0000	1.0000	1.0000	0.9593	1.0000	1.0000	0.9431	0.2033	0.3577	0.3008	0.3659	0.1789	0.1463	0.2927	1.0000	0.4309	Current Study
Shanghai Han	87	1.0000	1.0000	1.0000	—	1.0000	0.9770	0.9770	0.7586	0.1839	0.3793	0.3448	0.3563	0.1839	0.1494	0.2414	—	0.4713	25
Jilin Han	201	1.0000	1.0000	1.0000	0.9950	0.9403	0.9950	0.9950	0.7512	0.1791	0.3483	0.3035	0.3433	0.1692	0.1244	0.2637	0.9900	—	27
Xinjiang Han	184	1.0000	1.0000	1.0000	1.0000	0.9130	0.9946	0.9891	0.8913	0.2228	0.4837	0.4402	0.4565	0.2174	0.2391	0.3207	0.9946	—	30
Yunnan Han	404	1.0000	1.0000	1.0000	0.9950	0.9554	0.9950	0.9876	0.9579	0.1807	0.3688	0.3886	0.3540	0.1807	0.1658	0.3020	0.9950	—	22
Sichuan Han	286	1.0000	1.0000	1.0000	0.9930	0.9650	0.9860	0.9755	0.8916	0.2483	0.4266	0.3566	0.7273	0.2413	0.1958	0.2657	0.9860	0.3357	29
Shenzhen Han	503	1.0000	1.0000	1.0000	1.0000	0.9620	0.9920	0.9840	0.9620	0.2070	0.3760	0.3360	0.3260	0.2070	0.1850	0.2290	0.9920	—	28
Shaanxi Han	104	1.0000	1.0000	1.0000	1.0000	0.9600	0.9400	0.9800	0.6900	0.1900	0.4100	0.3900	0.3900	0.2100	0.1400	0.3800	1.0000	0.3300	18
Hong Kong Han	46	1.0000	1.0000	1.0000	—	0.9400	0.9900	0.9800	—	0.2800	0.4500	0.3900	0.4000	0.2800	0.2500	0.2600	—	—	19
Singapore Han	100	1.0000	1.0000	1.0000	—	0.9800	1.0000	1.0000	—	0.2800	0.3900	0.3000	0.2800	0.2800	0.1700	0.2200	—	—	19
chi-square test	P-value	NS(1)	NS(1)	NS(1)	0.3020	0.0290	0.0160	0.2860	0.0000	0.2960	0.1840	0.0970	0.0000	0.2690	0.1200	0.0440	0.4980	0.0480

Significant differences (p < 0.05) were labeled with bold and underlined format.