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Scatterplots with regression line shows, respectively the fitted relationship of (A) log soluble tumor necrosis factor-α receptor (sTNFR)-2 and log sTNFR-1, (B) log sTNFR-1 and log interleukin (IL)-6, and (C) log sTNFR-2 and log IL-6 in all AIDS Linked to the Intravenous Experience (ALIVE) participants, adjusting for age, sex, number of comorbidities (0 or 1, 2, 3), injection drug use over the past 6 months and number of injections within the past 30 days, and HIV status.
