Table 1

The patient’s laboratory findings on admission 

Laboratory studyResult
WBC10.9x109/L
Haemoglobin97 g/L
Haematocrit29.7%
Platelets348 x109/L
AST30 U/L
ALT32 U/L
BUN43 mg/dL
Creatinine3.7 mg/dL
C-reactive protein150.00 mg/dL (normal range 0–3.0 mg/L)
Sedimentation rate>120 mm/hour
IgG4289 mg/dL
c-ANCA1:640 (confirmatory PR3  not done)
Urinalysis:Protein 200 mg/dL
RBC: 148/hpf
WBC: 85/hpf
Negative nitrates
  • ALT, aspartate aminotransferase; AST, alanine aminotransferase; BUN, blood urea nitrogen; c-ANCA, cytoplasmic-antineutrophil cytoplasmic antibody; PR3, proteinase 3; RBC, red blood cell; WBC, white blood cell.