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Table 5 Repeat assessment of self-perception of enamel opacities by volunteers

From: Investigation of the value of a photographic tool to measure self-perception of enamel opacities

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
  1. (N = 229).
  2. Kappa = 0.65 = good agreement.