Figure 4From: Frailty, fitness and late-life mortality in relation to chronological and biological ageMean proportion of deficits at any given age for subjects with no cognitive impairment. Solid circles represent the proportion of the deficits averaged across all subjects at age CA: In (q) = - 4.23 + 0.03 CA. Correlation coefficient, r = 0.91, p < 0.0001Back to article page