Table 1.

Relevant biochemistry, haematology and immunology results throughout admission

	On admission	Prior to steroid treatment	7 days after steroids
Biochemistry
Sodium	138	138	139	mmol/L
Potassium	4.0	4.0	3.5	mmol/L
Urea	9.7	7.2	6.1	mmol/L
Creatinine	99	87	88	µmol/L
Albumin	32	37	39	g/L
CRP	177.1	165.5	8.7	mg/L
ESR	127	–	–	mm/hour
Haematology
Haemoglobin	81	76	86	g/L
WCC	18.35	13.25	16.99	×10⁹/L
Platelets	188	200	295	×10⁹/L
Neutrophils	15.07	11.45	13.73	×10⁹/L
Immunology
Immunoglobulins	IgG 10.24 IgA 1.77 IgM 0.63	g/L	Virology	HIV 1 and 2 antibodies not detected Hepatitis B surface antigen not detected Hepatitis C antibody not detected
Serum free light chains	Kappa 27.2 Lambda 83.3	mg/L	Genetics	No evidence of JAK II Mutation No evidence of calreticlin gene mutation
ANCA	PR3 1.9 MPO 0.6	IU/ml	Serum amyloid A	739 mg/mL
Complements	C3 0.93 C4 0.20	g/L

ANCA, antineutrophil cytoplasmic antibodies; CRP, C -reactive protein; ESR, erythrocyte sedimentation rate; WCC, white cell count.