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Ankle survival

Overall

Ankle » Ankle survival» Overall

Cumulative revision percentage of primary ankle arthroplasties in the Netherlands in 2014-2021 (n=982)

TABLE Cumulative 7-year revision percentage

	Number (n)	Number at risk (n)	Competing Risk¹ (95% CI)	Kaplan Meier (95% CI)
Primary ankle arthroplasty	982
1-year revision (%)		850	0.9 (0.4-1.7)	0.9 (0.3-1.5)
3-year revision (%)		560	4.0 (2.8-5.6)	4.0 (2.6-5.4)
5-year revision (%)		294	6.3 (4.7-8.6)	6.5 (4.5-8.5)
7-year revision (%)		84	8.6 (6.0-12.4)	8.0 (5.3-10.6)

¹ The cumulative revision percentage using the competing risk method is shown in the figure.
CI: confidence interval.
Please note: The number of registered ankle revision arthroplasties is not complete.