Table 1 Results of baseline investigations, with normal ranges in parentheses

Hemoglobin

106 g/L (115–165 g/L)

Immunoglobulins

Polyclonally raised IgA

Mean cell volume

88.3 fL (78–97 fL)

and IgG

Platelet count

380 × 10⁹/L (150–450 × 10⁹/L)

ANA

Negative

White cell count

3.8 × 10⁹/L (4–11 × 10⁹/L)

ANCA

Mixed weak pANCA

Neutrophil count

2.9 × 10⁹/L (1.5–4.0 × 10⁹/L)

and cANCA pattern

Lymphocyte count

0.6 × 10⁹/L (1.1–4.0 × 10⁹/L)

Anti-Myeloperoxidase

Negative

Sodium

137 mmol/L (133–146 mmol/L)

Anti-proteinase III

Negative

Potassium

4.5 mmol/L (3.5–5.3 mmol/L)

Rheumatoid factor

< 20 IU/mL (0–20 IU/mL)

Urea

6.0 mmol/L (2.5–7.8 mmol/L)

Anti-CCP

4.0 IU/mL (0–7 IU/mL)

Creatinine

57 µmol/L (44–80 µmol/L)

Alpha 1 antitrypsin

Not deficient

Bilirubin

7 µmol/L (0–21 µmol/L)

Ca 125

10 kIU/L (0–35 kIU/L)

Alanine aminotransferase

24 IU/L (0–40 IU/L)

hCG

< 1.0 IU/L 50–174 IU/L

Alkaline phosphatase

88 IU/L (30–130 IU/L)

Serum ACE

59 IU/L (16–85 IU/L)

Albumin

35 g/L (35–50 g/L)

Blood cultures^a

No growth

Calcium (adjusted)

2.44 mmol/L (2.20–2.60 mmol/L)

Interferon Gamma Release Assay (Quantiferon)

Nonreactive

Phosphate

0.74 mmol/L (0.80–1.50 mmol/L

IgG4

< 0.42 mmol/L (0–1.3 mmol/L)

C-reactive protein

12 mg/L (0–5 mg/L)

HIV serology

Negative