BACKGROUND: Hematologic manifestations of the human immunodeficiency virus (HIV) infection are a well-recognized complication of the disease and may be clinically important. Our objective was to determine the risk factors for anemia and its correlation with HIV treatment-naïve infected patients without co-infection or opportunistic diseases. FINDINGS: We performed a cross-sectional comparative study in which HIV treatment-naïve infected patients with anemia were compared with a control group of HIV patients without anemia. The interrelationship between risk factors and anemia was determined. Odds ratio and 95% confidence intervals were calculated, to adjust for the effects of potential confounders and we used a logistic regression model. Pearson's correlation coefficient was obtained to calculate the correlation between risk factors and hemoglobin.We enrolled 54 men and 9 women. Anemia was found in 13 patients; prevalence .20 (CI 95% 0.12-0.32). Severe anemia was found in only one patient (1.5%). Only CD4+ Cells Count <200 cells/mm3 was associated with increased risk of anemia in the multivariate analysis. There was a moderately strong, positive correlation between WBC and hemoglobin (r = 0.49, P < 0.001) and between CD4+ cell count and hemoglobin (r = 0.595, P < 0.001) and a moderately strong, negative correlation between HIV RNA viral load and hemoglobin (r = - 0.433, P < 0.001). CONCLUSIONS: Anemia is a common manifestation in the Mexican population without antiretroviral therapy. In HIV naïve patients a CD4+ Cell Count < 200 cells/mm3 was associated with an increased risk of anemia. There is a positive correlation between hemoglobin and CD4+ cell count.
BACKGROUND: Hematologic manifestations of the humanimmunodeficiency virus (HIV) infection are a well-recognized complication of the disease and may be clinically important. Our objective was to determine the risk factors for anemia and its correlation with HIV treatment-naïve infectedpatients without co-infection or opportunistic diseases. FINDINGS: We performed a cross-sectional comparative study in which HIV treatment-naïve infectedpatients with anemia were compared with a control group of HIVpatients without anemia. The interrelationship between risk factors and anemia was determined. Odds ratio and 95% confidence intervals were calculated, to adjust for the effects of potential confounders and we used a logistic regression model. Pearson's correlation coefficient was obtained to calculate the correlation between risk factors and hemoglobin.We enrolled 54 men and 9 women. Anemia was found in 13 patients; prevalence .20 (CI 95% 0.12-0.32). Severe anemia was found in only one patient (1.5%). Only CD4+ Cells Count <200 cells/mm3 was associated with increased risk of anemia in the multivariate analysis. There was a moderately strong, positive correlation between WBC and hemoglobin (r = 0.49, P < 0.001) and between CD4+ cell count and hemoglobin (r = 0.595, P < 0.001) and a moderately strong, negative correlation between HIV RNA viral load and hemoglobin (r = - 0.433, P < 0.001). CONCLUSIONS:Anemia is a common manifestation in the Mexican population without antiretroviral therapy. In HIV naïve patients a CD4+ Cell Count < 200 cells/mm3 was associated with an increased risk of anemia. There is a positive correlation between hemoglobin and CD4+ cell count.
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