Table 1.
Characteristics of subjects without periodontitis and patients with chronic periodontitis (Brazil, 2018)
| Subjects | WP groupa (n = 21) | CP groupa (n = 20) | P-value (≤ 0.05) |
|---|---|---|---|
| Age in years | 34.5 | 33.0 | 0.89 |
| Median (IQR) | (24.5–41.3) | (24.8–45.0) | |
| Sex proportion | 18/3 | 14/6 | 0.28 |
| (female/male) | |||
| Number of teeth | 25.0 | 26.0 | 0.39 |
| Median (IQR) | (20.5–27.0) | (20.3–28.0) | |
| %BOP | 11.0 | 44.6 | 0.00 |
| Median (IQR) | (4.9–22.9) | (28.4–59.4) | |
| %CAL ≥ 3 mm | 1.2 | 26.8 | 0.00 |
| Median (IQR) | (0.0–14.8) | (8.8–45.5) | |
| %CAL ≥ 5 mm | 0.0 | 11.5 | 0.00 |
| Median (IQR) | (0.0–0.0) | (3.5–29.1) | |
| %PD ≥ 4 mm | 0.0 | 15.3 | 0.00 |
| Median (IQR) | (0.0–2.7) | (8.3–27.3) |
Third molars were excluded
Mann–Whitney U test and Fisher’s exact test
CP: chronic periodontitis; WP: without periodontitis; BOP: bleeding on probing; CAL: clinical attachment level; PD: probing depth; IQR: interquartile range
aClassification according to Gomes-Filho et al. (2007)