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Table 2 Patient’s laboratory features

From: Macrophage Activation Syndrome: different mechanisms leading to a one clinical syndrome

Laboratory Features sJIA presentation MAS presentation
White blood cells, x109/L 15.04 3.02
Neutrophils % 86% 19%
Haemoglobin, g/dL 9.08 7.09
Platelet, x109/L 640 125
Ferritin, ng/mL 880 11345
ESR, mm/h 98 32
CRP, mg/dL 13.08 19.07
Fibrinogen, mg/dL 560 88
D-dimers, ng/mL <10 >40
Sodium, mEq/L 136 129
ALT, U/L 23 180
AST, U/L 18 145
LDH, U/L 380 1910
Bilirubin, mg/dL 0.06 2.06
  1. ESR, erythrocyte sedimentation rate; CRP, C-reactive protein; ALT, alanine aminotransferase; AST, aspartate aminotransferase; LDH, lactate dehydrogenase