Table 2.
Baseline characteristics of the replication sample
| Healthy peri-implant tissue (n = 185) | Peri-implantitis group (n = 92) | p-value | |
|---|---|---|---|
| Ethnic Group | |||
| Whites | 176 (95.1%) | 91 (98.9%) | 0.17 |
| Non-Whites | 9 (4.9%) | 1 (1.1%) | |
| Mean Age in Years | 53.13 ± 11.46 | 54.63 ± 10.44 | 0.29 |
| Sex | |||
| Females | 122 (66%) | 56 (60.9%) | 0.43 |
| Males | 63 (34%) | 36 (39.1%) | |
| Smoking Status | |||
| Non-Smoking | 142 (76.8%) | 74 (80.4%) | 0.54 |
| Smoking | 43 (23.2%) | 18 (19.6%) | |
| Implant Loss | |||
| Single | - | 69 (75%) | |
| Multiple | - | 23 (25%) | |
| Periodontal Status (partially edentulous subjects; n = 236) | (n = 151) | (n = 85) | |
| Gingival index | 0.64 ± 0.37 | 0.65 ± 0.53 | 0.89 |
| Plaque index | 0.12 ± 0.23 | 0.23 ± 0.41 | 0.96 |
| Calculus index | 0.07 ± 0.12 | 0.13 ± 0.24 | 0.28 |
| Probing Pocket Depth (mm) | 2.72 ± 0.46 | 2.54 ± 0.47 | 0.005 |
| Clinical Attachment Loss (mm) | 3.62 ± 0.85 | 3.66 ± 1.07 | 0.76 |
| Mobility | 19 | 15 | 0.33 |