Secular trend in Okinawa prefecture

Imported malaria cases in Okinawa Prefecture, Japan.

With the increase in global transportation, imported malaria has become a significant public health concern in Japan. In the present study, we retrospectively analyzed all imported malaria cases in Okinawa Prefecture from 1988 to 2012. In that period, 23 patients with imported malaria were admitted to the University of the Ryukyus Hospital. Malaria types observed included Plasmodium falciparum ...

Secular Trend in Portugal

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...

Changing epidemiology of Angiostrongyliasis cantonensis in Okinawa prefecture, Japan.

*Corresponding author: Mailing address: Okinawa Prefectural Institute of Health and Environment, Ozato 2085, Ozato-son, Okinawa 901-1202, Japan. Fax: +81-98-945-9366, E-mail: [email protected] Okinawa Prefecture experienced an outbreak of angiostrongyliasis in January of 2000 (1). The origin of the infection’s outbreak could not be identified. We examined the past records of Angiostrongy...

Growth variation, final height and secular trend

Growth and body height have always been interesting topics in the public opinion. Particularly the stupendous increase of some 15 to 19 cm in final adult height during the last 150 years in most European countries (the “secular trend”), the concomitant changes in body and head proportions, the tendency towards early onset of sexual maturation, the changes in the age when final height is being r...

Evidence for a secular trend in age of menarche.