Table 2.
Number and percentage of subjects presenting low (≤4 sites with probing pocket depth (PPD) ≥ 5 mm), moderate (5–8 sites with PPD ≥ 5 mm) or high (≥9 sites with PPD ≥ 5 mm) risk for disease progression, as well as presenting 0, 1–2 or ≥3 sites in need for additional therapy
| Variable | Time point | Experimental groups | Intergroup comparisons | |
|---|---|---|---|---|
| Test N = 20 Number (%) | Control N = 21 Number (%) | Chi‐square for trend p value | ||
| Risk for disease progression | ||||
| Low | 90 days | 11 (55.00) | 6 (28.60) | 0.0863 |
| Moderate | 90 days | 3 (15.00) | 4 (19.00) | |
| High | 90 days | 6 (30.00) | 11 (52.40) | |
| Need for additional therapy | ||||
| 0 sites | 90 days | 4 (20.00) | 1 (12.20) | 0.0306 |
| 1–2 sites | 90 days | 9 (45.00) | 6 (36.60) | |
| ≥3 sites | 90 days | 7 (35.00) | 14 (51.20) | |