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Table 2 The constitution of HIV-1 subtypes in different transmission routes

From: Genetic diversity and drug resistance among newly diagnosed and antiretroviral treatment-naive HIV-infected individuals in western Yunnan: a hot area of viral recombination in China

Transmission route

Subjects

C

URFs

CRF01_AE

B

CRF08_BC

CRF07_BC

χ2

P*

Heterosexual

227 (100%)

89 (39.2%)

42 (18.5%)

43 (18.9%)

25 (11.0%)

24 (10.6%)

4 (1.8%)

13.801

0.013

Intravenous drug injection

52 (100%)

32 (61.5%)

9 (17.3%)

3 (5.8%)

7 (13.5%)

1 (1.9%)

0 (0%)

  

Homosexual

2 (100%)

0 (0%)

0 (0%)

1 (50.0%)

0 (0%)

0 (0%)

1 (50.0%)

  

Mother to child

4 (100%)

1 (25.0%)

1 (25.0%)

2 (50.0%)

0 (0%)

0 (0%)

0 (0%)

  

Unknown

14 (100%)

7 (50.0%)

3 (21.4%)

4 (28.6%)

0 (0%)

0 (0%)

0 (0%)

  
  1. *: Compared the proportions of subtypes between groups of heterosexual contact and intravenous drug injection.