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. Author manuscript; available in PMC: 2011 Apr 9.
Published in final edited form as: HIV Med. 2009 Aug 13;11(1):74–84. doi: 10.1111/j.1468-1293.2009.00748.x

Table 1.

Comparison of Interviewed Patients (N=871) and Full HIVRN Medical Record Data (n= 13,029)

Overall Dataset
Adult Patients
Enrolled in 13 HIV
Research Network
Sites
Interview Dataset Cramer’s V Statistic

Male Sex 70% 67% −0.016

Race
    White 29% 28%
    Black 49% 56% 0.048
    Hispanic 20% 13%
    Other/Unknown 2.0% 3.0%

Transmission Method*
    IDU 25% 28%
    MSM 36% 34% 0.023
    HET 33% 30%

First CD4 cell count
    >50 8% 6%
    50–199 18% 16%
    200–499 43% 45% 0.018
    ≥500 31% 33%

HIV-1 RNA
    <400 56% 51%
    ≥400 44% 49% 0.026
*

IDU-Injection drug use, MSM- Men who have sex with men, HET- heterosexuals. For comparability, analyses exclude interview data from one site that did not provide medical record data in 2003. Missing data also excluded for comparability. Cramer’s V statistic measures strength of association and ranges from −1 to +1, with 0 indicating no association.