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