Background
Methods
Study group
Clinical examination
Caries risk assessment with Cariogram
Endpoints
Statistical methods
Results
Variable | All patients | Drop outs | Follow-up |
---|---|---|---|
n = 1,295 | n = 313 | n = 982 | |
DFT
| 3.4 (3.3) | 4.4a (3.7) | 3.1 (3.1) |
DFS
| 4.9 (5.6) | 6.8a (6.9) | 4.3 (5.0) |
Cariogram risk category (%)
| |||
81-100 (very low risk) | 23.3 | 17.0 | 25.6 |
61-80 | 32.7 | 27.7 | 34.1 |
41-60 | 26.5 | 30.9 | 25.3 |
20-40 | 9.0 | 13.2 | 7.5 |
0-20 (very high risk) | 8.4 | 11.2 | 7.5 |
Risk group at baseline | n | ΔDFT (SD) | ΔDFS (SD) | ΔDFS = 0 (%) |
---|---|---|---|---|
81–100 (very low risk) | 251 | 0.24 (0.58) | 0.29 (0.89) | 85.3 |
61–80 | 335 | 0.53 (1.07) | 0.85 (1.91) | 71.3 |
41–60 | 248 | 0.82 (1.18) | 1.59 (2.55) | 50.4 |
21–40 | 74 | 0.84 (0.95) | 1.70 (1.76) | 36.5 |
0–20 (very high risk) | 74 | 1.00 (1.40) | 1.99 (3.00) | 44.6 |
ANOVA/Chi-square | p < 0.001 | p < 0.001 | p < 0.001 | p < 0.001 |
Baseline risk category | ΔDFS > 0 | ΔDFS = 0 | Sum |
---|---|---|---|
81-100 (very low risk) | 37 (14.7) | 214 (85.3) | 251 |
61-80 | 96 (28.7) | 239 (71.3) | 335 |
41-60 | 123 (49.6) | 125 (50.4) | 248 |
21-40 | 47 (63.5) | 27 (36.5) | 74 |
0-20 (very high risk) | 41 (55.4) | 33 (44.6) | 74 |
Sum | 344 (35.0) | 638 (65.0) | 982 |
Cariogram cut-off, % | TP + TNa | Sensitivity | Specificity | PPVb | NPVb | Youden’s indexc |
---|---|---|---|---|---|---|
80 | 53.1 | 89.2 | 33.5 | 42.0 | 85.3 | 0.23 |
60 | 65.8 | 61.3 | 71.0 | 53.3 | 77.3 | 0.32 |
40 | 67.8 | 25.6 | 90.6 | 59.5 | 69.3 | 0.16 |
20 | 65.8 | 11.9 | 94.8 | 55.4 | 66.6 | 0.07 |