Table 3

Automated evaluation results of the Quantitative Light Fluorescent (QLF) images for fluorosis compared to clinical exam indices tooth scores for the upper left central incisor
QLF METRIC (mean) TF SCORE (Clinical from Examiner 1) Spearman’s rho Kendall’s tau b
0 1 2 3 4 5 6 7 P < 0.001
% Area 16.89 21.17 27.90 32.88 45.42 45.30 49.70 42.68 .735 .593
Δ F 0.0482 0.0540 0.0622 0.0747 0.1067 0.1049 0.0891 0.1205 .730 .586
Δ Q 0.0094 0.0122 0.0183 0.0258 0.0526 0.0553 0.0460 0.0514 .742 .600
DEANS SCORE (Clinical from Examiner 3)
Normal Questionable Very Mild Mild Moderate Severe
% Area 14.90 22.36 22.05 32.07 31.03 45.75 .793 .652
Δ F 0.0444 0.0566 0.0548 0.0669 0.0670 0.1076 .777 .635
Δ Q 0.0069 0.0139 0.0126 0.0224 0.0210 0.0537 .798 .659

Pretty et al.

Pretty et al. BMC Public Health 2012 12:366   doi:10.1186/1471-2458-12-366

Open Data