Table 4.
Characteristics of the study samples relative to the presence of 3 or more bacteria.
| Variables | 3 or more bacteria | P value | |
|---|---|---|---|
| Yes | No | ||
| Total (n) | 25 (9.0) | 252 (91.0) | N/A |
| Age (years) | 16.95 (1.1) | 17.28 (0.9) | .151 |
| Gender | |||
| Male | 9 (8.9) | 92 (91.1) | .960 |
| Female | 16 (9.1) | 160 (90.9) | |
| Nationality | |||
| Non-Saudi | 5 (7.9) | 58 (92.1) | .732 |
| Saudi | 20 (9.3) | 194 (90.7) | |
| Smoker | |||
| Yes | 1 (5.9) | 16 (94.1) | .641 |
| No | 24 (9.2) | 236 (90.8) | |
| Plaque Index | 1.26 (0.9) | 1.51 (0.8 | .143 |
| Gingival Index | 1.42 (0.9) | 1.22 (0.8 | .257 |
| PD (mm) | 0.77 (0.2) | 0.67 (0.2) | .021 |
| PD ≥4 mm | 11.61 (11.4) | 7.04 (9.0) | .062 |
| CAL (mm) | 0.25 (0.4) | 0.17 (0.3) | .275 |
| CAL ≥1m | 14.99 (27.7) | 9.67 (22.1) | .276 |
Note: Numbers do not add up in some cells due to missing data.