Box 1: Initial laboratory test results
Laboratory testValueReference range*
Leukocyte count, × 109/L6.34.0–10.0
Platelet count, × 109/L250150–400
Hemoglobin, g/L74120–160
Mean corpuscular volume, fL7977–96
Reticulocyte count, × 109/L153 (5.36%)10–100
Blood smearModerate polychromasia
Erythrocyte sedimentation rate, mm/h1032–34
C-reactive protein, mg/L31.10.1–1.0
International normalized ratio1.00.80–1.20
Partial thromboplastin time, s32.024.0–36.0
  • * Reference ranges for age.