mohammad ali Mansournia

Tehran University of Medical Sciences | TUMS · Department of Epidemiology and Biostatistics

Objectives To use data from the Global Burden of Diseases, Injuries, and Risk Factors Study 2019 (GBD 2019) to estimate mortality and disability trends for the population aged ≥70 and evaluate patterns in causes of death, disability, and risk factors. Design Systematic analysis. Setting Participants were aged ≥70 from 204 countries and terri...

Background: Iran is an Eastern Mediterranean region country with the highest rate of gastric cancer. The present study aimed to evaluate the 5-year net survival of patients with gastric cancer in Iran using a relative survival framework. Methods: In a cross-sectional study, using life-table estimation of relative survival, we reported 1- to 5-ye...

Introduction Low back pain  Low back pain is a common musculo-skeletal disorder among patients referring to health care systems  The life time prevalence of LBP is reported to be high, affecting nearly 80% of people at some time in their adult life  LBP is a disabling condition with considerable health-care costs  A traditional medical diagnost...

Background: Assessments of age-specific mortality and life expectancy have been done by the UN Population Division, Department of Economics and Social Affairs (UNPOP), the United States Census Bureau, WHO, and as part of previous iterations of the Global Burden of Diseases, Injuries, and Risk Factors Study (GBD). Previous iterations of the GBD used...

Background: In the presence of non-adherence, intention-to-treat analysis preserves randomization, but does not lead to a valid comparison of outcome between the assigned groups. Using a reanalysis of Diabetes Prevention Program, this study aimed to estimate the causal effect of treatment with intensive lifestyle intervention or metformin vs. plac...

Objectives We aimed to determine whether increases in hip muscle strength and core endurance improve rehabilitation outcomes for patients with patellofemoral pain syndrome (PFPS). Methods Sixty participants (25 men [41.7%], 35 women [58.3%], age = 32.28 (5.9) years; height = 166.7 (9.80) cm; weight = 66.76 (10.93) kg) with PFPS were randomly assig...

1. PhD, Physiotherapist, Prof at university of social welfare and rehabilitation sciences Objectives: Low back pain (LBP) is a common and costly problem worldwide. It is one of the main reasons for disability, absence from work and responsible for huge direct and indirect economic impact. The purpose of this study was to report some epidemiological...

Objective: Traffic crashes are multifactorial events caused by human factors, technical issues, and environmental conditions. The present study aimed to determine the role of human factors in traffic crashes in Iran using the proportional odds regression model. Methods: The database of all traffic crashes in Iran in 2010 (n = 592, 168) registere...

Background: Obesity is a major health problem all around the world. On the other hand, few people, especially women, are physically active to the levels recommended by Healthy People 2010 web site managed by the U.S. Department of Health and Human Services. The objective of this study was to compare the potential effects of intermittent and continu...

The purpose of the study was to describe the magnitude of the selected sports medicine problems (i.e. cauliflower ear and skin infections) among wrestlers in Tehran. A number of 411 wrestlers were randomly selected from wrestling clubs in Tehran employing cluster sample setting method. The participants were interviewed using a specially designed an...