نتایج جستجو برای: seasonal variation
تعداد نتایج: 349776 فیلتر نتایج به سال:
Aim: Immune hemolytic anemia is an autoimmune disease that related to autoantibodies against erythrocytes. Such antibodies appear for a variety of reasons such as hematologic and oncologic malignancies, infections, connective tissue diseases but in many cases, true etiologic agent has not been discovered. Many hematologic, well rheumatologic disorders, have seasonal variations there studies eva...
The purpose of the study was to investigate seasonal variation in mood and behavior among a group of office workers in Sweden (56°N). Thirty subjects participated in this longitudinal study. The subjects kept a weekly log that included questionnaires for ratings of psychological wellbeing and daily sleep-activity diaries where they also noted time spent outdoors. The lighting conditions in the ...
BACKGROUND Seasonal variation has been demonstrated in many diseases, including certain skin diseases. OBJECTIVE To determine whether there is seasonal variation in dermatologic office visits in the USA. METHODS Data on dermatologic office visits were obtained from representative visits to outpatient physicians in the USA from the National Ambulatory Medical Care Survey from 1990 to 1998. O...
To test the hypothesis that higher levels of fibrinogen in winter are related to infections via the acute phase response, we assessed seasonal variation in fibrinogen and C-reactive protein, together with three other responses to infection: white cell count, human herpesvirus-6 IgG antibody and interleukin-6. Monthly blood samples from 24 subjects aged 75+ years were assessed for fibrinogen, C-...
cant. To the best of our knowledge, the present study is the first to systematically investigate interindividual seasonal variations of CRP in several large populations. In two studies, seasonal variation of CRP was investigated on an intraindividual basis. Woodhouse et al. (2 ) reported higher CRP concentrations in winter with a peak in March, and Crawford et al. (13 ) found a significant seas...
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