TABLE 2.
Main description of characteristics of patients (n = 993) categorized by the total number of years in SPT‐categories.
| Years in SPT (supportive periodontal therapy) | ||||||
|---|---|---|---|---|---|---|
| 1–5 | 6–10 | 11–15 | 16–20 | 21–25 | 26–30 | |
| Number of people n (%) | 500 (50) | 287 (29) | 182 (18) | 13 (1) | 9 (1) | 2 (0) |
| Gender n (%) | ||||||
| Male | 245 (25) | 126 (13) | 65 (7) | 5 (1) | 2 (0) | 1 (0) |
| Female | 255 (26) | 161 (16) | 117 (12) | 8 (1) | 7 (1) | 1 (0) |
| Smoking status at intake n (%) | ||||||
| Non‐smoker | 382 (38) | 221 (22) | 139 (14) | 11 (1) | 5 (1) | 2 (0) |
| Smoker | 118 (12) | 66 (7) | 43 (4) | 2 (0) | 4 (0) | 0 (0) |
| Age at intake mean (SD) | 52 (9) | 51 (9) | 48 (7) | 45 (7) | 46 (11) | 45 (12) |