Table 2 Distribution of tooth-level variables stratified by age
From: Co-occurrence of dental caries and periodontitis: multilevel modelling approach
Tooth-level variables (Level-1) | Total | ≤ 44 years | 45–54 years | 55–64 years | 65 + years |
|---|---|---|---|---|---|
|  | n = 29,667 | n = 9168 | n = 7309 | n = 7187 | n = 6003 |
Periodontal inflammation parameters | n (%) | ||||
Bleeding on probing (BOP) | Â | Â | Â | Â | Â |
 Absence of condition | 10,916 (37) | 3470 (38) | 2844 (39) | 2563 (36) | 2039 (34) |
 Presence of condition | 18,751 (63) | 5698 (62) | 4465 (61) | 4624 (64) | 3964 (66) |
Probing pocket depth (PPD) ≥ 4 mm |  |  |  |  |  |
 Absence of condition | 21,430 (72) | 7682 (84) | 5303 (73) | 4695 (65) | 2795 (47) |
 Presence of condition | 8237 (28) | 1486 (16) | 2006 (27) | 2492 (35) | 3208 (53) |
Dental caries experience | n (%) | ||||
 Sound teeth | 16,139 (54) | 5895 (64) | 3913 (54) | 3536 (49) | 2795 (47) |
 Decayed and filled teeth (DFT) | 13,528 (46) | 3273 (36) | 3396 (46) | 3651 (51) | 3208 (53) |
 Filled teeth (FT) | 11,850 (42) | 2849 (33) | 2985 (43) | 3212 (48) | 2804 (50) |
 Decayed teeth (DT) | 1678 (9) | 424 (7) | 411 (9) | 439 (11) | 404 (13) |