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Table 1

Comparison of revision rates for cemented and hybrid total hip arthroplasty for primary osteoarthritis, categorised by age group.

Grey-coloured cells were used as a reference in risk calculations. 95% confidence intervals are shown between brackets (– = not reported; * = revision for aseptic loosening, coloured red. CI, confidence interval; SE, standard error; HR, hazard ratio; RR, relative risk).