Fig. 1From: Reliability of health-related quality-of-life assessments made by older adults and significant others for health states of increasing cognitive impairmentConsistency of health-related quality-of-life ratings over time, among older adults and proxies, for each health state (n = 183). ■: Identical responses; : Responses differ by at most one category; □: At least two responses differ by more than one categoryBack to article page