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Table 4 Distributions of iron biomarkers in CSF in different CHARTER subpopulations

From: Cerebrospinal fluid (CSF) biomarkers of iron status are associated with CSF viral load, antiretroviral therapy, and demographic factors in HIV-infected adults

CSF biomarker Whites (N = 178) Median (IQR) Blacks (N = 174) Median (IQR) Hispanics (N = 42) Median (IQR) p-value, (compared groups)
Iron (µg/dL) 3.50 (2.12, 6.13) 2.60 (1.00, 4.88) 4.57 (2.00, 6.63) <0.01 (W/B)a n.s. (W/H)b 0.01 (H/B)c
Transferrin (µg/mL) 18.91 (11.26, 29.53) 16.64 (9.49, 26.63) 16.71 (10.69, 27.56) 0.06 (W/B)a n.s. (W/H)b n.s. (H/B)c
H-ferritin (ng/mL) 3.02 (1.44, 4.84) 2.41 (1.42, 3.86) 2.61 (1.24, 4.00) 0.04 (W/B)a n.s. (W/H)b n.s. (H/B)c
  1. Self-reported ancestry (race/ethnicity) was reported as “Other” by 9 participants (not shown)
  2. p-values < 0.05 (italics) are statistically significant
  3. aSelf-reported whites compared to black individuals
  4. bWhites compared to Hispanic individuals
  5. cHispanics compared to black individuals