Fig. 2From: Validity of self-reported number of teeth in middle-aged Finnish adults: the Northern Finland Birth Cohort Study 1966The Bland-Altman plot for the agreement between the self-reported and clinically assessed number of teeth (n = 1669). The plot includes horizontal lines (three in total) for the mean difference of the measures and 95% limits of agreement (LoA), which are calculated as ±1.96*SD away from the mean difference of the measuresBack to article page