Table 1

Comparison of characteristics of patients infected with a subtype B virus and patients infected with a virus of the non-B subtypes.

Subtype B

Non-B subtypes

Multivariate Bin. Log. Regression

Count (%)

Count (%)

p-value

ODDS ratio

95% CI

p-value


# Patients (n = 506)

302 (59.7%)

204 (40.3%)


Homosexual transmission

229/271 (84.5%)

13/137 (9.5%)

< 0.001

33.1

14.5 - 75.6

< 0.001

HBV+

106/296 (35.8%)

82/195 (42.1%)

0.164

-

HCV+

26/295 (8.8%)

8/197 (4.1%)

0.042

9.1

1.5 - 56.2

0.017

Syphilis+

119/300 (39.7%)

21/200 (10.5%)

< 0.001

-

Chlamydia+

106/259 (40.9%)

21/126 (16.7%)

< 0.001

3.6

1.4 - 9.6

0.01

Gender (male)

279/302 (92.4%)

94/204 (46.1%)

< 0.001

-

Caucasian origin

285/299 (95.3%)

68/202 (33.7%)

< 0.001

21.0.

5.3 - 82.5

< 0.001

DRM

25/302 (8.3%)

8/204 (3.9%)

0.052

-

PHI

60/275 (21.8%)

12/189 (6.3%)

0.021

-


Median (IQR)

Median (IQR)

p-value


CD4+ T cells (cells/μl)

420 (284-592)

330 (182-516)

< 0.001

-

Age (years)

38.5 (32-44)

36 (30-36)

0.018

-


Values are given as counts per number of patients for which data was available. For the multivariate analysis, odds ratios are given with regard to Subtype B infection. The p-value for the Hosmer-Lemeshow test for the multivariate model is 0.528.

HBV, Hepatitis B virus; HCV, Hepatitis C virus; DRM, Drug resistant mutations; PHI, Primary HIV infection; IQR, interquartile range; CI, confidence interval.

Chalmet et al. BMC Infectious Diseases 2010 10:262   doi:10.1186/1471-2334-10-262

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