From: What is the prevalence of peri-implantitis? A systematic review and meta-analysis
Group | Patient-level | Implant-level | ||
---|---|---|---|---|
 | 5–9 y |  > 9 y | 5–9 y |  > 9 y |
1 | 14.18 | 17.13 (− 12.15 to 46.4) | 21.3 (104.67 to 147.28) | 8.45 (1.51–15.39) |
2 | 20.57 (14.88 to 26.29) | 21.2 (14.65 to 27.74) | 12.32 (8.53 to 16.11) | 8.78 (2.49–15,08) |
3 | 12.11 (− 0.62 to 24.84) | 15.04 (− 53.06 to83.14) | 3.53 (− 4.2 to 11.25) | 15.78 (12.07–19.48) |
4 | 13.54 (6.49 to 20.59) | 15.34 (13.46 to 17.21) | 7.42 (1.13 to 13.7) | 6.8 (4–9.6) |
Total | 17.1 | 18.63 | 10.98 | 9.76 |