An 11-Year Retrospective Research Study of the Predictive Factors of Peri-Implantitis and Implant Failure: Analytic-Multicentric Study of 1279 Implants in Peru

Table 6

Distribution of implant survival by headquarters.

Institution	Time (years)	Implants	Failure	Survival rate (%)	95% CI
UPCH-SI	1	67	0	100	—
	2	56	1	98.2	87.9–99.7
	3	40	1	95.7	83.8–98.9
	4	23	1	91.6	74.4–97.4
	5	19	3	77.1	54.3–89.5
	6	6	2	51.4	19.0–76.5
HCFAP	1	41	0	100	—
	2	14	0	100	—
	3	7	0	100	—
	4	4	0	100	—
	6	1	1	0.00	—
CMNAVAL	1	143	1	99.3	95.1–99.9
	2	93	1	98.2	92.9–99.57
	3	62	4	91.9	82.3–96.3
	4	4	0	91.9	82.3–96.3
	5	3	1	61.2	82.3–96.3
	7	2	1	30.6	80.0–90.9
	10	1	1	0.00	1.0–73.6
UPSJB	1	29	1	96.5	77.9–99.5
	2	14	1	89.6	62.1–97.5
	3	4	0	89.6	62.1–97.5
	7	1	0	89.6	62.1–97.5
UPCH-SM	1	151	0	100	—
	2	143	0	100	—
	3	104	0	100	—
	4	85	1	98.8	91.9–99.8
	5	64	1	97.2	89.0–99.3
	6	39	1	94.7	83.8–98.3
	7	30	0	94.7	83.8–98.3
	8	15	0	94.7	83.8–98.3
	9	4	0	94.7	83.8–98.3
	11	1	0	94.7	83.8–98.3