Table 2.
Clinical characteristics of participants and lesions at 6m follow-up by group membership.b
| Group 1 n (%) | Group 2 n (%) | Group 3 n (%) | Group 4 n (%) | |
|---|---|---|---|---|
| Caries increment of participant Mean (SD) |
5.6 (5.7) | 5.8 (6.7) | 6.3 (6.6) | 6.2 (5.9) |
| Plaque visible inside lesion | 354 (56.7) | 481 (45.0) | 403 (48.1) | 239 (45.6) |
| Anterior tooth lesion |
311 (49.8) |
553 (51.7) |
501 (59.8) |
330 (63.0) |
| Surface type | ||||
| Occlusal | 75 (12.0) | 140 (13.1) | 111 (13.2) | 84 (16.0) |
| Proximal | 384 (61.5) | 652 (61.0) | 540 (64.4) | 298 (56.9) |
| Smooth surface |
165 (26.4) |
277 (25.9) |
187 (24.3) |
142 (27.1) |
| Baseline ICDAS code | ||||
| code 3 | 268 (42.9) | 546 (51.1) | 263 (31.4) | 201 (38.4) |
| code 4 | 173 (27.7) | 230 (21.5) | 213 (25.4) | 96 (18.3) |
| code 5 | 115 (18.4) | 139 (13.0) | 169 (20.2) | 72 (13.7) |
| code 6 |
68 (10.9) |
154 (14.4) |
193 (23.0) |
155 (29.6) |
| Sex | ||||
| Male | 286 (45.8) | 538 (50.3) | 456 (54.4) | 276 (52.7) |
| Female |
338 (54.2) |
531 (49.7) |
382 (45.6) |
248 (47.3) |
| Age-group | ||||
| 3-years | 42 (6.7) | 0 (0.0) | 78 (9.3) | 0 (0.0) |
| 4-years | 39 (6.2) | 11 (1.0) | 0 (0.0) | 0 (0.0) |
| 5-years | 91 (14.6) | 191 (17.9) | 241 (28.8) | 173 (33.3) |
| 6-years | 116 (18.6) | 191 (17.9) | 241 (28.58) | 173 (33.0) |
| 7-years | 125 (20.0) | 329 (30.8) | 206 (24.6) | 132 (25.2) |
| 8-years | 132 (21.2) | 157 (14.7) | 173 (20.6) | 155 (29.6) |
| 9-years | 22 (3.5) | 89 (8.3) | 87 (10.4) | 3 (0.6) |
| 10-years | 43 (6.9) | 85 (8.0) | 18 (2.1) | 1 (0.2) |
| 11-years | 14 (2.2) | 16 (1.5) | 35 (4.2) | 3 (0.6) |
a Group 1 = SDF; Group 2 = SDF; Group 3 = AgF; Group 4 = AgF&KI.
b
Brackets contain column percentages unless otherwise indicated. There were statistically significant differences in clinical characteristics by group membership across all descriptors in the table; P-value =<0.01; χ2 test or Kruskal Wallis test for differences among groups within the same row as appropriate.