Sedimentation rate

108 mm/hr

C reactive protein

26.8 mg/dl

ANA screen

Negative

DS DNA screen

Negative

ENA Smith

Negative

ENA RNP

Negative

Rheumatoid factor

Negative

SS A antibody

Negative

SS B antibody

Negative

C-ANCA

<1:20

P-ANCA

<1:20

C1 esterase inhibitor

39 (within normal limits)

C3 complement

103 (within normal limits)

C4 complement

25 (within normal limits)