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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.