Table 1.
Characteristics of the study samples relative to the presence of A actinomycetemcomitans.
| Variables | A actinomycetemcomitans | P value | |
|---|---|---|---|
| Yes | No | ||
| Total (n) | 60 (21.7) | 217 (78.3) | N/A |
| Age (years) | 17.0 (0.9) | 17.3 (1.0) | .032 |
| Gender | |||
| Male | 16 (15.8) | 85 (84.2) | .075 |
| Female | 44 (25.0) | 132 (75.0) | |
| Nationality | |||
| Non-Saudi | 12 (19.0) | 51 (81.0) | .567 |
| Saudi | 48 (22.4) | 166 (77.6) | |
| Smoker | |||
| Yes | 2 (11.8) | 15 (88.2) | .307 |
| No | 58 (22.3) | 202 (77.7) | |
| Plaque Index | 1.36 (0.8) | 1.52 (0.8) | .161 |
| Gingival Index | 1.30 (0.8) | 1.22 (0.8) | .505 |
| PD (mm) | 0.65 (0.2) | 0.68 (0.2) | .370 |
| PD ≥4 mm | 7.45 (9.6) | 7.46 (9.2) | .996 |
| CAL (mm) | 0.17 (0.3) | 0.18 (0.3) | .921 |
| CAL ≥1m | 9.36 (20.4) | 10.42 (23.4) | .758 |
Data are number (percentage) or mean (standard deviation). PD: Pocket depth, CAL: Clinical attachment loss Note: Numbers do not add up in some cells due to missing data