Fig. 2From: Socioeconomic status as a moderator between frailty and mortality at old agesComparison of mortality rate by frailty index score between previous studies and the CLHLS 2008/2009-2011/2012. Left panel obtained from Mitnitski et al. [72] with a permission. Right panel: authors’ own calculation from the CLHLS 2008/2009 to 2011/2012 waveBack to article page