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Table 1 Summary of the patient’s laboratory data

From: Critical iron deficiency anemia with record low hemoglobin: a case report

Laboratory On admission Reference range
WBC 5400/mm3 4500–10,000/mm3
RBC 1.14 M/mm3 3.9–5.1 M/mm3
Hgb 1.4 g/dL 12.0–14.6 g/dL
Hct 5.8% 36.0–44.0%
MCV < 50.0 fL 82.0–97.0 fL
RDW 21.9% 12–15%
Platelet 232,000/mm3 160,000–360,000/mm3
Retic Pct 2.7% 0.6–2.4%
Abs retic 31 × 109/L 29–116 × 109/L
PT 17.6 seconds 11.8–14.4 seconds
INR 1.46 0.87–1.13
PTT 32.5 seconds 24.4–36.6 seconds
Fibrinogen 332 mg/dL 237–481 mg/dL
d-dimer 2.16 μg/mL ≤ 0.49 μg/mL
Alk Phos 150 U/L 35–104 U/L
AST 81 U/L 10–35 U/L
ALT 36 U/L 10–35 U/L
Protein total 5.6 g/dL 6–8 g/dL
Bili total 0.5 mg/dL ≤ 1.0 mg/dL
Bili direct 0.3 mg/dL ≤ 0.3 mg/dL
Iron 9 μg/dL 37–145 μg/dL
TIBC 441 μg/dL 250–430 μg/dL
Iron sat 2% 15–50%
Ferritin 4 ng/mL 12–263 ng/mL
Haptoglobin 168 mg/dL 30–200 mg/dL
LDH 206 U/L 135–225 U/L
Folate 12.8 ng/mL ≥ 4.6 ng/mL
Vitamin B12 1,019 pg/mL 232–1245 pg/mL
  1. WBC White Blood Cell Count, RBC Red Blood Cell Count, Hgb Hemoglobin, Hct Hematocrit, MCV Mean Corpuscular Volume, RDW Red Cell Distribution Width, Retic Pct Reticulocyte Percentage, Abs retic Absolute Reticulocyte Count, PT Prothrombin Time, INR International Normalized Ratio, PTT Partial Thromboplastin Time, Alk Phos Alkaline Phosphatase, AST Aspartate transaminase, ALT Alanine Aminotransferase, Bili total Bilirubin total, Bili direct Direct bilirubin, TIBC Total iron binding capacity, LDH Lactate Dehydrogenase