Table 4 Distribution of study participants by periodontitis presence, stage, grade, and extent (N = 454)
Non-periodontitis cases | Stage I | Stage II | Stage III | Stage IV | |
|---|---|---|---|---|---|
n (%) | n (%) | n (%) | n (%) | n (%) | |
Total | 215 (47.4) | 0 (0) | 75 (16.5) | 149 (32.8) | 15 (3.3) |
Grade A | |||||
Localized | – | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
Generalized | – | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
Grade B | |||||
Localized | – | 0 (0) | 5 (1.1) | 121 (26.7) | 0 (0) |
Generalized | – | 0 (0) | 68 (15.0) | 3 (0.7) | 6 (1.3) |
Grade C | |||||
Localized | – | 0 (0) | 0 (0) | 17 (3.8) | 0 (0) |
Generalized | – | 0 (0) | 2 (0.4) | 8 (1.8) | 9 (2.0) |