Genetic characterization of HIV-1 viruses among cases with antiretroviral therapy failure in Suzhou City, China

Table 1 The features of subjects receiving drug-resistance mutation detection in Suzhou City

Item	Total	2017–2018	2019–2020	χ²	p
Item	Total	N (%)	N (%)	χ²	p
Gender				1.80	0.17
Male	370	194	176
Female	28	11	17
Age (years)				2.086	0.35
< 30	107	61	46
30–50	214	108	106
≥ 50	77	36	41
Subtypes/CRFs				2.34	0.89
CRF01_AE	228	118	110
CRF07_BC	69	38	31
Subtype B	30	13	17
CRF08_BC	26	11	15
CRF67_01B	12	7	5
CRF55_01B	10	5	5
Others	24	13	11
Viral load (copies/ml)				3.84	0.15
1000–5000	110	48	62
5000–100,000	249	135	114
> 100,000	39	22	17

ISSN: 1742-6405