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Table 3 Comparison of the patients being infected through homosexual transmission with patients infected through other routes.

From: Epidemiological study of phylogenetic transmission clusters in a local HIV-1 epidemic reveals distinct differences between subtype B and non-B infections

  MSM Other than MSM   Multivariate Bin. Log. Regression
  Count (%) Count (%) p-value ODDS ratio 95% CI p-value
# Patienten (n = 408) 242 (59.3%) 166 (40.7%)     
Subtype B 229/242 (94.6%) 42/166 (25.3%) < 0.001 23.1 10.2-52.3 < 0.001
Cluster 125/242 (51.7%) 25/166 (15.1%) < 0.001 2.8 1.4-5.6 0.004
HBV + 88/236 (37.3%) 49/159 (30.8%) 0.185 2.7 1.2-5.7 0.012
HCV + 16/237 (6.6%) 14/160 (8.8%) 0.46    
Syphilis+ 108/242 (44.6%) 13/162 (8.0%) < 0.001 7.1 2.9-17.3 < 0.001
Chlamydia + 90/220 (40.9%) 18/97 (18.6%) < 0.001    -
Caucasian origin 233/240 (97.1%) 88/164 (53.7%) < 0.001 6.7 2.0-22.1 0.002
DRM 22/242 (9.1%) 4/166 (2.4%) 0.007 6.1 1-36.6 0.05
PHI 54/226 (23.9%) 14/150 (9.3%) < 0.001    -
  Median (IQR) Median (IQR) p-value    
CD4 (cells/μl) 426 (299-597) 341 (181-528) 0.001    -
Age (years) 38 (32-44) 37 (32-43) 0.351    
  1. Values are given as counts per number of patients of which data was available. For the multivariate analysis, odds ratios are given with regard to MSM. The p-value for the Hosmer-Lemeshow test for the multivariate model is 0.625.
  2. MSM, men who have sex with men; HBV, Hepatitis B Virus; HCV, Hepatitis C Virus; DRM, Drug Resistant Mutations; PHI, Primary HIV Infection; IQR, interquartile range; CI, confidence interval.