Meta-analysis 5: Meta-analysis of the risk of knee osteoarthritis in professional soccer players, with adjustment for knee joint injuries*1
*1 The meta-analysis included only risk estimators for which there was adjustment for knee joint injuries.
*2 The comparison groups were made up of population-based probands (Fernandes et al., 2018; Roos et al., 1994; Tveit et al., 2012) and professional sports shooters (Kujala et al., 1995).
95% CI, 95% Confidence interval; SE, standard error