Fig. 1From: Unexpected association between subclinical hearing loss and restorative sleep in a middle-aged and elderly Japanese populationProportions of subjects with RS by age-group The small vertical bars represent the standard error with RS numbered as 1 and non-RS as 0. The proportion of subjects with RS in their 50 s and 60 s significantly rose with increasing SHL (P = 0.004 and P = 0.001, respectively, one-way ANOVA). *Significant difference compared with intact hearing (Bonferroni test) in each age-group. RS restorative sleepBack to article page