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Table 1 Laboratory Investigations

From: Occlusive retinal vasculitis and periphlebitis in Buerger’s disease: a case report

  Value/Result
Hematology
 Hemoglobin 154 g/L
 ESR 7 mm/hr
 C-Reactive Protein 1.6 mg/dl
Biochemistry
 Hemoglobin A1c 5.3%
 Low-density Lipoprotein (LDL) 2.9 mmol/L
 Creatinine 66 μmol/L
 GFR > 60 ml/min/1.73m2
 aPTT 26 s
 INR 1.1
 Homocysteine Normal
Immunology
 Antinuclear antibodies (ANA) Negative
 Rheumatoid factor (RF) Negative
 Anti-CCP antibodies Negative
 Anti-ENA antibodies Negative
 Complement C3 1.2 g/L
 Complement C4 0.12 g/L
 Beta-2-glycoprotein antibodies Negative
 ANCA Negative
 Antiglobulin test Negative
 Smooth muscle antibodies (SMA) Negative
 Anti-cardiolipin antibodies Negative
 Anti-centromere antibodies (ACA) Negative
 Anti-Scl-70 antibodies Negative
Hypercoagulable Panel
 Free protein S 0.79 U/mL
 Total protein S 0.86 U/mL
 Activated protein C 0.56 U/mL **
 Functional antithrombin III 0.65 U/mL **
 Factor V Leiden Negative
 Factor 20210A Negative
 Lupus anticoagulant Negative
  1. ESR erythrocyte sedimentation rate, GFR glomerular filtration rate, aPTT activated partial thromboplastin time, INR international normalized ratio, CCP cyclic citrullinated peptide, ENA extractable nuclear antigen, ANCA anti-neutrophil cytoplasmic antibody; **: denotes abnormal values