Table 3

Sensitivity and specificity of baseline clinicolaboratory findings for the diagnosis of GCA in 55 patients studied prospectively

Findings

Sensitivity (%)

Specificity (%)

Elevated ESR

86

9

Fever

41

42

New onset of headache

64

70

Diffuse musculoskeletal pain

32

55

Jaw claudication

14

100

Temporal artery tenderness

36

91

Acute visual impairement

23

94

Unilateral halo sign

82

91

Bilateral halo sign

41

100

ESR, erythrocyte sedimentation rate; GCA, giant cell arteritis.

Karahaliou et al. Arthritis Research & Therapy 2006 8:R116   doi:10.1186/ar2003