background: unintentional drug intoxication is still a major cause of mortality and morbidity in young children. method & materials: in order to study changes of epidemiological indices of children intoxication during a 10-year period in hamadan province, all cases admitted to ghaem hospital from 1995-1999 were recruited, and compared with all cases admitted to the same hospital from 1990-1994....

evidence provided from studies in iran points to a possible bias in application of the standard epi cluster sampling procedure, when carried out in populations with highly variant birth rates, tends to over-represent the low birth rate, i.e. higher socio-economic, strata, and if the entity under study shows significant socio-economic gradient, then the estimates arrived at by this method might ...

OBJECTIVES Arthritis is a broad term covering disparate diseases with varying prognoses. Epidemiological surveys are important tools for arthritis research, but they either fail to specify arthritis subtypes or they provide self-reported arthritis data that are potentially misclassified. This limits their use for research about arthritis subgroups. This study describes and compares characterist...

ESR conducts annual surveys of methicillin-resistant Staphylococcus aureus (MRSA). Each year, all hospital and community microbiology laboratories in New Zealand are asked to refer all MRSA isolated during a one-month period to ESR. Laboratories provide epidemiological information with each isolate referred. At ESR, MRSA are typed to identify MRSA strains. The purpose of these annual surveys is...

From the Italian ISAAC, AR affects 18.9% schoolchildren and 35.5% adolescents, while severe persistent rhinitis affects 30,700 (3.42%) in Lombardy. Some severe persistent rhinitis was considered indicative for SIT in Group I, and incidence was higher in other groups. SIT is likely to be considered particularly in the subset of patients not completely controlled by symptomatic drugs. In the abse...

From the Italian ISAAC, AR affects 18.9% schoolchildren and 35.5% adolescents, while severe persistent rhinitis affects 30,700 (3.42%) in Lombardy. Some severe persistent rhinitis was considered indicative for SIT in Group I, and incidence was higher in other groups. SIT is likely to be considered particularly in the subset of patients not completely controlled by symptomatic drugs. In the abse...