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Table 2 Serum Ferritin level-based characteristics of SCA children

From: Magnitude of elevated iron stores and risk associated in steady state sickle cell anemia Congolese children: a cross sectional study

  Serum ferritin p
<  500 ng/ml (n = 55) ≥ 500 ng/ml (n = 15)  
male, % 31(57) 8(53) 0.976*
Age < 5 years, % 10(18) 5(33) 0.286*
HU, % 26(48) 10(67) 0.247*
Major VOC ≥ 2/an, % 6(11) 3(20) 0.391*
Transfusions > 3/year, % 24(44) 11(73) 0.078*
Hct, % 22.4 (20.7–24.8) 22.4 (19.0–28.1) 0.903
Platelets ×103 /mm3 387 (293–472) 288 (172–427) 0.239
WBC, ×103 élts/mm3 11.5 (8.4–14.6) 9.9 (7.2–17.6) 0.951
Reticulocytes, % 11.9 (8.0–17.0) 13.0 (9.5–23.3) 0.964
CRP, mg/l 3.4 (2.0–4.8) 3.8 (2.3–8.5) 0.764
CRP ≥ 6 mg/l, % 7(13) 4(29) 0.233*
CRP ≥ 12 mg/l, % 3(5) 2(13) 0.290*
Indirect Bilirubin, mg/dl 1.9 (1.0–3.6) 1.3 (0.9–2.0) 0.547
LDH, UI/l 568 (424–771) 488 (320–782) 0.559
Free plasma Hb, mg/l 183 (123–282) 130 (107–205) 0.479
Serum iron, μmol/l 16.1 (12.4–19.5) 16.8 (14.9–19.9) 0.849
  1. Record values expressed as frequency or median (IQ 25–75)
  2. Abbreviations: Hct: hematocrit, WB: white blood cells, CRP: Creactive protein, LDH: Lactate dehydrogenase, Hb: hemoglobin, HU: hydroxyurea, VOC: vaso-occlusive crisis
  3. *Fisher Exact test