Fig. 1From: Cognitive function in Prefrail and frail community-dwelling older adults in ChinaCorrelation between MMSE total score with age and frailty. Spearman’s rank correlation test was used to determine the relationships between MMSE total score with age (a), walking speed (b), and Fried phenotype score (c) among adults aged 60 years and older in China by CCGAS, 2011–2012. The total sample population in the analysis was 3202Back to article page