نتایج جستجو برای: secular trend
تعداد نتایج: 129534 فیلتر نتایج به سال:
Objectives to describe the secular trend and seasonal variation in the incidence of hip fracture (HF) over 12 years (2003-2014) in Catalonia, the community with the highest incidence of HF in Spain. Methods data about age, gender, type of fracture and month of hospitalisation among patients aged 65 years and older discharged with a diagnosis of HF were collected. Crude and age-standardised an...
BACKGROUND Coronary heart disease (CHD) incidence has declined significantly in the US, as have levels of major coronary risk factors, including LDL-cholesterol, hypertension and smoking, but whether trends in subclinical atherosclerosis mirror these trends is not known. METHODS AND FINDINGS To describe recent secular trends in subclinical atherosclerosis as measured by serial evaluations of ...
Reconstructed and measured total solar irradiance : Is there a secular trend between 1978 and 2003 ?
Total solar irradiance reconstructed between 1978 and 2003 using solar surface magnetic field distributions is compared with three composites of total solar irradiance measurements. A good correspondence is found with the total solar irradiance composite from PMOD/WRC, with no bias between the three cycles. The agreement with the other composites (the ACRIM composite, mainly based on the Active...
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