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Table 2 Anemia and iron status in Zimbabwean infants from birth through 6 months of age by HIV status of the mother and her infant.

From: Neonatal erythropoiesis and subsequent anemia in HIV-positive and HIV-negative Zimbabwean babies during the first year of life: a longitudinal study

Indicator Birth 6 weeks 3 months 6 months
   HIV status group     
Serum ferritin, μg/L*     
   Nn group 199 (172,230)a,b 131 (107,160)a 52 (44,62)a 15 (12,18)a
   n 108 63 64 75
   Pn group 198 (181,216)a 168 (153,185)a 62 (56,69)a 17 (15,19)a
   n 248 205 215 235
   Pp group 251 (211,300)b 320 (255,402)b 141 (104,191)b 36 (24,54)b
   n 76 70 52 40
   P-value 0.036 <0.0001 <0.0001 <0.0001
Erythropoietin, U/L     
   Nn group ---------- 10.2 (8.5,12.2)a 12.2 (10.5,14.0)a 16.2 (13.7,19.0)a
   n   62 60 74
   Pn group   9.3 (8.4,10.2)a 11.6 (10.7,12.5)a 14.4 (13.0,15.8)a
   n   201 215 231
   Pp group   16.3 (13.4,19.9)b 23.4 (17.1,32.1)b 26.1 (20.0,34.0)b
   n   69 53 38
   P-value   <0.0001 <0.0001 <0.0001
Transferrin receptor, mg/L     
   Nn group ---------- 3.5 (3.2,3.8)a 6.2 (5.9,6.6)a 6.8 (6.3,7.3)
   n   63 64 75
   Pn group   4.1 (4.0,4.3)b 6.7 (6.4,7.0)a 7.2 (6.9,7.6)
   n   205 216 235
   Pp group   4.7 (4.3,5.2)c 8.2 (7.2,9.3)b 8.0 (7.0,9.1)
   n   71 53 40
   P-value   <0.0001 0.0001 0.065
  1. Abbreviations: Nn, mother HIV negative, baby HIV negative; Pn, mother HIV positive, baby HIV negative at 6 months; Pp, mother HIV positive, baby HIV positive at 6 weeks.
  2. a,b,c Means in a cell without a common letter differ, P < 0.05, Bonferroni multiple-comparison test.
  3. * Values are geometric mean (95% CI).
  4. † P-values are from analysis of variance of log-transformed values.