Table 5

Repeat assessment of self-perception of enamel opacities by volunteers
Set of photographs selected by volunteer at first examination Set of photographs selected by volunteers at repeat examination Total
Image set K TF = 0 Image set B TF = 1 - 2 Image set Y TF = 2 - 3
Image set N 143 14 1 158
TF = 0
Image set S 12 30 2 44
TF = 1 - 2
Image set A 4 5 18 27
TF = 2 - 3
Total 159 49 21 229

(N = 229).

Kappa = 0.65 = good agreement.

Davies et al.

Davies et al. BMC Oral Health 2012 12:41   doi:10.1186/1472-6831-12-41

Open Data