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. Author manuscript; available in PMC: 2016 Aug 12.
Published in final edited form as: Ann Rheum Dis. 2010 Aug 24;70(1):80–85. doi: 10.1136/ard.2009.122952

Table 3.

Interobserver and intraobserver reliability of measurement of damage in vasculitis for each organ system

Organ system Interobserver reliability, κ (95% CI)
Intraobserver reliability, κ (95% CI)
VDI (n=28 paired observations) CDA (n=28 paired observations) VDI (n=14 paired observations) CDA (n=15 paired observations)
Musculoskeletal 0.65 (0.02 to 1.00) 0.65 (0.02 to 1.00)
Skin/mucous membrane 0.78 (0.59 to 1.00) 0.59 (0.32 to 0.83) 1.00 (1.00 to 1.00) 0.41 (0.00 to 0.65)
Ocular 1.00 1.00 1.00 (1.00 to 1.00) 1.00 (1.00 to 1.00)
ENT 0.77 (0.46 to 1.00) 0.59 (0.23 to 0.84) 0.79 (0.46 to 1.00) 0.78 (0.50 to 0.96)
Pulmonary 1.00 0.78 (0.37 to 1.00) 1.00 (1.00 to 1.00) 0.76 (0.32 to 1.00)
Cardiovascular 0.83 (0.60 to 1.00) 0.63 (0.42 to 0.84) 1.00 (1.00 to 1.00) 0.77 (−0.07 to 1.00)
Peripheral vascular 1.00 0.31 (−0.82 to 1.00)
Gastrointestinal
Renal 0.80 (0.19 to 1.00) 0.70 (0.40 to 0.88) 0.82 (0.45 to 1.00) 0.45 (0.00 to 0.88)
Neuropsychiatric 0.52 (0.11 to 0.92) 0.46 (0.00 to 0.92) 0.76 (0.32 to 1.00) 0.58 (0.07 to 1.00)

1.00, complete agreement; –, No patients had damage in this organ system; CDA, Combined Damage Assessment Index; ENT, ear, nose and throat; VDI, Vasculitis Damage Index.