All surfaces | ||||||
---|---|---|---|---|---|---|
Null Model | Model 1 | Model 2 | Model 3 | Model 4 | Model 5 | |
RR (95%IC) | RR (95%IC) | RR (95%IC) | RR (95%IC) | RR (95%IC) | RR (95%IC) | |
Colour | ||||||
ref. Similar to sound | ||||||
Whitish fissure | 5.17 (2.21 to 12.11) | |||||
Yellowish fissure | 1.42 (0.55 to 3.69) | |||||
Black or dark fissure | 3.48 (1.60 to 7.54) | |||||
Lustre | ||||||
ref. Presence | ||||||
Absence | 1.70 (0.98 to 2.96) | |||||
Surface integrity | ||||||
ref. Noncavitated | ||||||
Cavitated | 4.95 (2.78 to 8.80) | |||||
Texture | ||||||
ref. Smooth enamel | ||||||
Rough enamel | 2.15 (1.19 to 3.91) | |||||
"Clinical" depth | ||||||
ref. Sound | ||||||
Enamel | 2.27 ( 1.12 to 4.63) | |||||
Dentine | 9.50 (3.98 to 22.68) | |||||
_ cons | 0.03 (0.02 to 0.06) | 0.19 (0.88 to 1.96) | 0.03 (0.01 to 0.05) | 0.03 (0.02 to 0.05) | 0.03 (0.01 to 0.05) | 0.02 (0.01 to 0.04) |
Random effects parameters | ||||||
Estimate (95%CI) | ||||||
Patient- sd (cons) | 1.58 (1.10 to 2.72) | 1.31 (0.87 to 1.96) | 1.48 (1.02 to 2.14) | 1.15 (0.76 to 1.75) | 1.39 (0.94 to 2.04) | 1.06 (0.67 to 1.68) |
Model goodness-of-fit and Discrimination | ||||||
AIC | 389.4624 | 376.8412 | 387.96460 | 364.7552 | 385.2818 | 369.7105 |
C statistic (AUC) | 0.9653 | 0.9609 | 0.9651 | 0.9607 | 0.9661 | 0.9591 |
95%CI | 0.9516 to 0.9790 | 0.9407 to 0.9810 | 0.9513 to 0.9789 | 0.9437 to 0.9778 | 0.9530 to 0.9791 | 0.9405 to 0.9776 |
Non cavitated surfaces (subgroup analysis) | ||||||
---|---|---|---|---|---|---|
Null Model | Model 1 | Model 2 | Model 3 | Model 4 | Model 7 | |
RR (95%IC) | RR (95%IC) | RR (95%IC) | RR (95%IC) | RR (95%IC) | RR (95%IC) | |
Color | ||||||
ref. Similar to sound | ||||||
Whitish fissure | 3.06 (0.93 to 10.07) | |||||
Yellowish fissure | 1.39 (0.49 to 3.93) | |||||
Black or dark fissure | 1.19 (0.39 to 3.65) | |||||
Lustre | ||||||
ref. Presence | ||||||
Absence | 1.66 (0.73 to 3.80) | |||||
Surface integrity | ||||||
ref. Noncavitated | ||||||
Cavitated | – | |||||
Texture | ||||||
ref. Smooth enamel | ||||||
Rough enamel | 1.95 (0.85 to 4.47) | |||||
"Clinical" depth | ||||||
ref. Sound | ||||||
Enamel | 1.40 ( 0.62 to 3.20) | |||||
Dentine | 8.87 (0.98 to 80.15) | |||||
_ cons | 0.01 (0.004 to 0.04) | 0.01 (0.003 to 0.03) | 0.01 (0.003 to 0.03) | – | 0.01 (0.03 to 0.03) | 0.01 (0.004 to 0.04) |
Random effects parameters | ||||||
Estimate (95%CI) | ||||||
Patient- sd (cons) | 1.86 (1.11 to 3.11) | 1.78 (1.06 to 2.99) | 1.80 (1.08 to 3.00) | – | 1.76 (1.06 to 2.96) | 1.62 (0.97 to 2.75) |
Model goodness-of-fit and discrimination | ||||||
AIC | 218.1902 | 221.0009 | 218.80930 | not applicable | 217.7614 | 218.84 |
C statistic (AUC) | 0.9160 | 0.9164 | 0.8983 | not applicable | 0.9081 | 0.9519 |
95%CI | 0.8827 to 0.9496 | 0.8793 to 0.9536 | 0.8536 to 0.9429 | 0.8695 to 0.9467 | (0.9405 to 0.9775) |