background and aims: according to different reports about the demographic characteristics of patients with acute myocardial infarction in iran, this study performed to determine the average age of morbidity and mortality from ami and its changes over time. methods: a hospital-based retrospective cohort study (historical) including all patients with acute myocardial infarction admitted to hospit...

background: iran, a low- to middle-income country, has experienced considerable socioeconomic changes in 20 th century, which their impacts on the adult heights has not been assessed deeply by now. this article aims to quantify the temporal varia­tions of height (with respect to shrinkage of height due to aging) and its deterministic factors in iranian population born be­tween 1940 and 1984. me...

This study of secular trend in Portugal has shown that a positive increment in height occurred in Portuguese 18year-old males between 1904 and 2000, and a secular trend in the age at menarche, towards an earliest age, also took place. Mean height increased 8.93 cm, from 1904 to 2000, when reached 172,13 cm. Besides that, in 2000, statistically significant differences (p ≤ 0.001) among the distr...

abstract background: secular trends in stature, weight and mid upper arm circumference (muac) of 2397 school children (1268 boys and 1129 girls) of the same age (6.5-11.5 years) and sex in representative samples from primary schools of shiraz (southern iran) at an interval of 15 years (1988 vs 2003) are reported. methods: cross-sectional weight, height and mid upper arm circumference (muac) cur...