Measuring the Response of Extrahepatic Symptoms and Quality of Life to Antiviral Treatment in Patients with Hepatitis C

Table 2

Background serology.

Assay	Abnormal result; N (total found)	Normal reference range	Value taken as abnormal result
Rheumatoid factor	48 (74)	<15 IU/mL	>14 IU/mL
ANA	5 (76)	Nil	>1 : 160
ENA	4 (65)	Nil	+
Mixed cryoglobulinemia	7 (82)	Nil	+
C3 low	4 (81)	0.75–1.65 g/L	<0.75 g/L
C4 low	14 (80)	0.14–0.54 g/L	<0.14 g/L