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Table 3 Changes in knee arthroscopy rate between 2000 and 2008 for each age group

From: Trends in knee arthroscopy and subsequent arthroplasty in an Australian population: a retrospective cohort study

Age group (years) <25 25-34 35-44 45-54 55-64 65-74 ≥75
Rate change −4.12% −2.96% −0.71% 0.94% 1.89% 1.01% −1.02%
95% CI −9.08–1.11 −7.96–2.31 −6.28– 5.17 −5.10–7.37 −3.69–7.78 −2.52–4.65 −5.89–4.09