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Table 1 Correlation analysis of CD4+T-lymphocyte counts obtained by FACSCount and Cyflow

From: Affordable flow cytometry for enumeration of absolute CD4+ T-lymphocytes to identify subtype C HIV-1 infected adults requiring antiretroviral therapy (ART) and monitoring response to ART in a resource-limited setting

Study group Mean difference CD4 SD R2 y Intercept 95% CI
All (N = 150) 1.21 20.40 0.991 0.998x + 1.807 1.807 -5.09 to 8.70
Subtype C drug resistance (N = 58) 2.40 18.11 0.987 1.0009x + 1.951 1.951 -15.46 to 19.36
Duke ART (N = 27) -2.04 18.88 0.980 0.9628x + 15.708 15.708 -6.51 to 37.92
Kaposi Sarcoma ART (N = 65) -0.18 15.77 0.994 0.9949x + 1.432 1.432 -5.83 to 8.70
Range of CD4 + T-lymphocytes Mean difference CD4 SD R 2 y Intercept 95% CI
0–250 CD4+ cells/μL (N = 40) 2.60 11.94 0.967 0.9653x + 3.022 3.0216 -7.25 to 13.30
251–500 CD4+ cells/μL (N = 69) 0.96 19.59 0.898 0.9275x + 25.443 25.443 -2.64 to 53.53
501–1200 CD4+ cells/μL (N = 41) 0.29 27.49 0.968 0.9456x + 37.090 37.090 -2.04 to 76.24