Table 4.

Results of the multivariate patient-level analysis

	Co-efficient	Standard error	t-statistics	p value	Lower 95%	Upper 95%
Superstructure	0.50	0.13	3.79	< 0.01	0.23	0.74
Implant age	0.01	0.01	1.73	0.09	− 0.01	0.03
Patient age	− 0.01	0.01	− 0.10	0.92	− 0.01	0.01
Smoking	0.10	0.11	0.93	0.35	− 0.11	0.31
History of periodontitis	− 0.07	0.12	− 0.62	0.53	− 0.31	0.16
Sex	− 0.06	0.10	− 0.55	0.58	− 0.25	0.14
Presence periodontitis	0.03	0.12	0.22	0.82	− 0.21	0.26
Residual teeth	0.04	0.18	0.22	0.83	− 0.32	0.40
Oral hygiene	0.50	0.12	4.25	< 0.01	0.27	0.74
No°of implants	− 0.01	0.02	− 0.03	0.97	− 0.03	0.02

Table shows the results based on mean values for diagnosis (healthy = 0, peri-implant mucositis = 1, peri-implantitis = 2) for one random implant for each patient. Significant p-values are highlighted in bold