Introduction: Human’s body and other creatures fight with destructive factors, as well as other factors that threaten human health and life. There is an antioxidant biological system in living organisms to face oxidizing compounds. In this immune system, compounds are found that react directly with oxidizing agents and make them neutral. The variety of compounds are included co...

To determine the relation between birth weight and age of presentation of type 1 diabetes and assess its risk factors, a case-control study was done on all diabetic patients under the age of 15, who were registered in Shiraz Diabetic Center or admitted in Namazi Hospital. A case group of 87 diabetic patients were matched with a control group of 100 healthy individuals. Birth weight ≥ 4kg was de...

The Mechanical Relation between Chronic Ankle Instability and Pelvic Alignment: A Matched Case-Control Study

Background and Objective: Tuberculosis (TB) remains an ongoing major public health problem in the world. In recent years, experimental evidenc suggests a link between TB and Vitamin (Vit) D. This study was conducted to determine serum Vit D, calcium (Ca), phosphorus (P), and parathormone (PTH) levels in untreated pulmonary TB (PTB) patients. Materials and Methods: In this case control study, 5...

background: a crucial part of a case-control study is the selection of a sample of controls that represent the base-popula­tion from which cases were drawn. controls may be matched to cases by one or more potentially important confounding vari­ables, such as socioeconomic status. in the united kingdom, one method for control selection has been based on the pa­tient list of the general practice ...

background: multiple sclerosis (ms) is an autoimmune,  neuro- inflammatory disease  of  central nervous system affecting physical, emotional, and cognitive aspects of patients. association of vitamin d deficiency and ms has been shown in previous studies. the aim of this study was to evaluate serum vitamin d level in ms cases and their sex-matched healthy siblings (who are genetically near simi...