Table 2 Prevalence, extent and mean values of each periodontal parameter
From: Current status of periodontal disease in adults in Takahagi, Japan: a cross-sectional study
Age Groups (years) | ||||||||
|---|---|---|---|---|---|---|---|---|
20–34 | 35–44 | 45–54 | 55–64 | 65–75 | 75+ | P Value | Total | |
CAL measures | ||||||||
Prevalence CAL ≥3 mm (%) | 89.6 (3.1) | 98.6 (10.6) | 100 (0) | 100 (0) | 100 (0) | 100 (0) | < 0.001* | 98.2 (0.6) |
Prevalence CAL ≥5 mm (%) | 22.9 (4.3) | 47.2 (5.9) | 65.6 (6.1) | 82.6 (3.3) | 91.5 (2.1) | 98.8 (1.6) | < 0.001* | 70.5 (1.9) |
Proportion of sites/mouth CAL ≥3 mm (%) | 18.6 (2.0) | 40.0 (2.4) | 50.4 (2.7) | 56.3 (1.6) | 67.3 (1.5) | 75.0 (1.7) | < 0.001† | 51.6 (1.1) |
Proportion of sites/mouth CAL ≥5 mm (%) | 0.8 (0.2) | 3.2 (0.7) | 7.7 (2.2) | 9.9 (1.2) | 19.7 (1.5) | 21.8 (2.6) | < 0.001† | 11.0 (0.7) |
Proportion of teeth/mouth CAL ≥3 mm (%) | 48.9 (3.4) | 80.9 (2.4) | 88.4 (1.9) | 92.8 (0.8) | 95.8 (0.6) | 98.4 (0.6) | < 0.001† | 84.3 (1.0) |
Proportion of teeth/mouth CAL ≥5 mm (%) | 3.9 (0.8) | 11.0 (1.9) | 17.9 (3.1) | 27.3 (2.2) | 44.7 (2.2) | 49.9 (3.9) | < 0.001† | 26.9 (1.2) |
Mean CAL (mm) | 1.8 (0.1) | 2.4 (0.1) | 2.8 (0.1) | 3.0 (0.1) | 3.5 (0.1) | 3.6 (1.0) | < 0.001† | 2.9 (0.04) |
PPD measures | ||||||||
Prevalence PPD ≥4 mm (%) | 79.1 (4.1) | 88.7 (8.1) | 82.3 (4.9) | 89.5 (2.7) | 96.1 (1.5) | 97 (2.6) | < 0.001* | 90.3 (1.2) |
Prevalence PPD ≥6 mm (%) | 20.8 (4.1) | 35.2 (5.6) | 32.3 (6.0) | 42.5 (4.3) | 57.9 (3.7) | 63.6 (7.3) | < 0.001* | 43.1 (2.1) |
Proportion of sites/mouth PPD ≥4 mm (%) | 4.2 (0.6) | 6.3 (1.0) | 7.7 (1.5) | 9.1 (1.0) | 14.0 (1.1) | 20.0 (2.3) | < 0.001† | 10.0 (0.5) |
Proportion of sites/mouth PPD ≥6 mm (%) | 0.2 (0.1) | 1.0 (0.3) | 2.1 (0.8) | 2.2 (0.5) | 3.4 (0.5) | 5.0 (1.3) | < 0.001† | 2.3 (0.2) |
Proportion of teeth/mouth PPD ≥4 mm (%) | 16.9 (1.8) | 21.8 (2.5) | 22.8 (2.8) | 24.9 (1.7) | 31.1 (1.8) | 29.4 (2.8) | < 0.001† | 25.1 (0.9) |
Proportion of teeth/mouth PPD ≥6 mm (%) | 1.4 (0.3) | 4.3 (1.0) | 5.9 (1.7) | 6.1 (1.0) | 8.7 (0.9) | 9.2 (1.4) | < 0.001† | 6.1 (0.5) |
Mean PPD (mm) | 2.3 (0.02) | 2.4 (0.03) | 2.5 (0.1) | 2.5 (0.04) | 2.6 (0.05) | 2.9 (0.1) | < 0.001† | 2.5 (0.02) |
Bleeding on probing (%) | 32.1 (1.6) | 27.9 (1.7) | 30.9 (2.4) | 28.7 (1.4) | 30.2 (1.3) | 43.3 (3.2) | < 0.001† | 31.1 (0.9) |