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Table 3 Kaplan–Meier survival analysis: 7 years of follow-up

From: Immediate and early loading of hydrothermally treated, hydroxyapatite-coated dental implants: a 7-year prospective randomized clinical study

Follow-up time point

No. of implantsat risk

No. of failed implants

Survival estimate

95% CI survival estimate

3 Weeks

50

1

.9800

(0.8935, 0.9995)

6 Months

49

0

.9800

(0.8935, 0.9995)

1 Year

49

0

.9800

(0.8935, 0.9995)

2 Years

49

0

.9800

(0.8935, 0.9995)

7 Years

46

0

.9800

(0.8935, 0.9995)

  1. The Kaplan–Meier method was used to calculate cumulative implant survival. One implant failed prior to loading at 3 weeks.