Fig. 2From: Disease prevalence in a rural Andean population of central Peru: a focus on autoimmune and allergic diseasesBlood pressure and heart rate. a Significant association of mean arterial blood pressure with age. Dotted lines represent the 95 % confidence interval around the linear fit. b Lack of association between heart rate and age. Dotted lines represent the upper (100) and lower (60) normal beats per minuteBack to article page