“…The majority of studies evaluated the effect of age on function ( n = 35), pain ( n = 23), and psychological well‐being ( n = 11; Table 3). No effect of age was found in 31 studies (Abu et al., 2017; Anderson et al., 2011; Beissner et al., 2012; Beneciuk et al., 2013; Beneciuk & George, 2021; Berglund et al., 2015; Brennan et al., 2021; Burns et al., 2018; Cougot et al., 2015; Feitosa et al., 2016; Fritz et al., 2019, 2011; George & Stryker, 2011; Glattacker et al., 2012, 2018, Görge et al., 2017; Hügli et al., 2015; Kaljic et al., 2018; Murphy et al., 2014; Nava‐Bringas et al., 2016; Neyaz et al., 2019; O’Leary et al., 2020; Oliveira et al., 2019; Pak et al., 2021; Rajamani et al., 2020; Rasmussen‐Barr et al., 2012; Schaller et al., 2017; Stapelfeldt et al., 2011; Van Hooff et al., 2014; Van Koppen et al., 2016; Walston & McLester, 2020), while 16 studies demonstrated that younger age was associated with better outcomes (Adnan et al., 2017; Alodaibi et al., 2021; Bath & Lovo Grona, 2015; de Heer & Warren, 2016; Fritz et al., 2013; Gregg et al., 2014; Harsted et al., 2021; Heidari et al., 2017; Jensen et al., 2013; Lutz et al., 2020; Preuper et al., 2011; Schwind et al., 2013; Verkerk et al., 2015; Werneke, Hart, George, et al., 2011; Wilson et al., 2011; Yağcı et al., 2020). Older age and better outcomes were demonstrated in four studies (Dhondt et al., 2020; Farin, 2015; Fehrmann et al., 2022; George & Stryker, 2011), one study demonstrate...…”