Table 2 Subtype assignment by selected characteristics.

From: CRF07_BC is associated with slow HIV disease progression in Chinese patients

Characteristic	B		C		01_AE		07_BC		08_BC		55_01B		Minor		URF		Total
Characteristic	n	%	n	%	n	%	n	%	n	%	n	%	n	%	n	%	n	%
Sex
Men	2217	12.93	79	0.46	8201	47.82	4762	27.77	104	0.61	425	2.48	361	2.1	1002	5.84	17,151	100
Women	266	25.17	33	3.12	284	26.87	323	30.56	55	5.2	8	0.76	53	5.01	35	3.31	1057	100
Age at diagnosis (years)
< 18	33	36.67	3	3.33	20	22.22	26	28.89	1	1.11	1	1.11	3	3.33	3	3.33	90	100
18–24	222	10.63	10	0.48	987	47.27	661	31.66	12	0.57	31	1.48	40	1.92	125	5.99	2088	100
25–44	1246	15.02	50	0.6	3866	46.59	2225	26.81	87	1.05	117	1.41	167	2.01	540	6.51	8298	100
45–64	391	16.24	31	1.29	971	40.32	635	26.37	36	1.5	50	2.08	107	4.44	187	7.77	2408	100
≥ 65	44	13.25	5	1.51	111	33.43	114	34.34	11	3.31	5	1.51	13	3.92	29	8.73	332	100
Ethnicity
Han	1854	15.06	89	0.72	5734	46.56	3135	25.46	130	1.06	196	1.59	320	2.6	856	6.95	12,314	100
Uyghur	8	2.71	1	0.34	5	1.69	277	93.9	0	0	0	0	2	0.68	2	0.68	295	100
Yi	3	2.13	2	1.42	5	3.55	121	85.82	4	2.84	0	0	0	0	6	4.26	141	100
Others	73	15.21	7	1.46	218	45.42	132	27.5	13	2.71	8	1.67	8	1.67	21	4.38	480	100
Transmission risk groups
Heterosexual	735	15.36	133	2.78	2041	42.65	1088	22.74	207	4.33	76	1.59	190	3.97	315	6.58	4785	100
MSM	1640	12.01	39	0.29	6856	50.21	3672	26.89	39	0.29	372	2.72	254	1.86	783	5.73	13,655	100
Injecting drug user	63	3.97	80	5.05	161	10.16	1018	64.23	105	6.62	3	0.19	36	2.27	119	7.51	1585	100
Blood transfusion	378	82	0	0	41	8.89	31	6.72	3	0.65	0	0	7	1.52	1	0.22	461	100
Mother to child	15	50	1	3.33	6	20	3	10	2	6.67	0	0	3	10	0	0	30	100
Region
North	3460	47.46	1738	23.84	49	0.67	101	1.39	1198	16.43	57	0.78	201	2.76	486	6.67	7290	100
North-east	1211	55.7	460	21.16	15	0.69	21	0.97	281	12.93	13	0.6	52	2.39	121	5.57	2174	100
East	2108	55.28	887	23.26	52	1.36	66	1.73	449	11.78	17	0.45	88	2.31	146	3.83	3813	100
Central-south	1592	39.42	1153	28.55	97	2.4	243	6.02	686	16.98	19	0.47	52	1.29	197	4.88	4039	100
South-west	480	20.17	1124	47.23	137	5.76	16	0.67	151	6.34	149	6.26	91	3.82	232	9.75	2380	100
North-west	279	30.69	472	51.93	6	0.66	4	0.44	94	10.34	2	0.22	13	1.43	39	4.29	909	100
Period
1994–2005	103	19.66	89	16.98	26	4.96	1	0.19	250	47.71	22	4.2	14	2.67	19	3.63	524	100
2006–2008	679	33.68	486	24.11	103	5.11	28	1.39	602	29.86	31	1.54	38	1.88	49	2.43	2016	100
2009–2011	2423	44.23	1639	29.92	70	1.28	108	1.97	843	15.39	105	1.92	115	2.1	175	3.19	5478	100
2012–2014	2586	49.16	1424	27.07	93	1.77	149	2.83	570	10.84	55	1.05	94	1.79	289	5.49	5260	100
2015–2017	1797	46.98	1108	28.97	33	0.86	66	1.73	377	9.86	27	0.71	101	2.64	316	8.26	3825	100
2018–2020	1568	44.04	1096	30.79	32	0.9	99	2.78	235	6.6	19	0.53	137	3.85	374	10.51	3560	100

MSM, men who have sex with men; URF, unique recombinant form.
North, Beijing, Tianjin, Hebei, Shanxi, and Inner Mongolia. North-east, Liaoning, Jilin, and Heilongjiang. East, Shanghai, Jiangsu, Zhejiang, Anhui, Fujian, Jiangxi, and Shandong. Central- south, Henan, Hubei, Hunan, Guangdong, Guangxi, and Hainan. South-west, Chongqing, Sichuan, Guizhou, Yunnan, and Tibet. North-west, Shann'xi, Gansu, Qinghai, Ningxia, and Sinkiang.
Minor, A1, D, F1, G, H, CRF02_AG, CRF03_AB, CRF06_cpx, CRF15_01B, CRF18_cpx, CRF24_BG, CRF33_01B, CRF55_01B, CRF57_BC, CRF58_01B, CRF59_01B, CRF61_BC, CRF62_BC, CRF63_02A1, CRF64_BC, CRF65_cpx, CRF67_01B, CRF68_01B, CRF78_cpx, CRF79_0107, CRF82_cpx, CRF83_cpx, CRF85_BC, CRF86_BC, CRF87_cpx, CRF88_BC, and CRF96_cpx.

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Table 2 Subtype assignment by selected characteristics.

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