Table 3.

Inter-rater agreement between reference standard, GP and two dermatologists where probable and confirmed diagnosis are merged

Diagnosis of photographs (n = 19)Agreement (%)κ statistic95% CIStrength of agreement13
a) Agreement between GP and diagnosis made by clinician viewing image
GP expert94.70.780.35 to 1.0Substantial
Dermatologist 189.50.610.14 to 1.0Substantial
Dermatologist to 0.95Moderate
b) Agreement between clinicians viewing images
89.50.790.74 to 0.8Substantial
c) Agreement between all clinicians (reference test and those viewing images)
84.20.710.56 to 0.72Substantial