Objectives To examine the relationship between uncertainty stress and oral health-related quality of life (OHRQoL) among junior high school students in Zhejiang Province, China, and to identify the ...

Introduction Falls are the second leading reason for incidental or unexpected deaths worldwide. Many older adults who fall, regardless of whether they are injured or not, tend to experience fear of ...

Introduction With increasing diabetes trends worldwide, morbidity, mortality and associated costs due to diabetes-related complications are a global public health concern. Diabetic retinopathy (DR) is ...

Objectives Latin American countries have long struggled with socioeconomic inequalities and health equity. In 2007, Ecuador implemented a health reform to address these issues by making public health ...

Objective People who spend a longer time walking have lower demands for medical care. However, in view of their longer life expectancy, it is unclear whether their lifetime medical expenditure ...

Objective To determine the diagnostic accuracy of tuning fork tests for detecting fractures. Design Systematic review of primary studies evaluating the diagnostic accuracy of tuning fork tests for the ...

Information on the best study designs for your research, from the BMJ Open editorial team.

Objective The objective of this study was to characterise the incidence rates of herpes zoster (HZ), also known as shingles, and risk of complications across the world. Design We systematically ...

Objective Recent clinical studies have shown that anticoagulant therapy might be effective only in specific at-risk subgroups of patients with sepsis and coagulation dysfunction. The definition of ...

Objective Pterygium is considered to be a proliferative overgrowth of bulbar conjunctiva that can induce significant astigmatism and cause visual impairment; this is the first meta-analysis to ...

Determining correct tracheal tube insertion depth by measuring distance between endotracheal tube cuff and vocal cords by ultrasound in Chinese adults: a prospective case-control study ...

Objective To determine the incidence of retinitis pigmentosa (RP) in South Korea. Design Nationwide, population-based retrospective study. Setting Census population of South Korea Participants This ...