The global prevalence of E-cigarettes in youth: A comprehensive systematic review and meta-analysis.

Objectives: Smoking, especially cigarettes, is known as one of the most common social and health problems among people. E-cigarettes are another form of tobacco that has been an ordinary daily occurrence.Study Design: systematic review and meta-analysis.

The Best Surgical Treatment for Cervical Radiculopathy: A Systematic Review and Network Meta-Analysis.

A case with an inflamed or damaged nerve root in the cervical spine is defined as cervical radiculopathy.The purpose of the current study is to recognize the most effective surgical procedures in cervical radiculopathy subjects. All related studies were taken using PubMed searching international databases, Scopus, ISI Web of Science (WoS), and Science direct with no limit of until November 20, 2021.

The outcomes of cardiopulmonary resuscitation and their predictors during the coronavirus 2019 pandemic in Iran.

Background: Coronavirus disease 2019 (COVID-19) can negatively affect different healthcare-related outcomes. Nonetheless, there is limited information about its effects on different healthcare-related outcomes. This study aimed at evaluating the outcomes of cardiopulmonary resuscitation (CPR) and their predictors during the COVID-19 pandemic in Iran.

The Effect of IL-6 174G > C Gene Polymorphism on Gastrointestinal Cancer: a Systematic Review and Meta-analysis.

IL-6 gene polymorphisms can play a role in the development or control of cancer by affecting cytokines. Gastrointestinal cancer is one of the most common types of cancer worldwide. The aim of this study was to investigate the effect of polymorphism of the IL-6 174G > C gene on gastrointestinal cancers based on a systematic review and meta-analysis, including gastric, colorectal, and esophageal cancer.

Global prevalence of congenital anencephaly: a comprehensive systematic review and meta-analysis.

Background: Anencephaly is a fatal congenital anomaly characterized by the absence of brain hemispheres and cranial arch. Timely preventive measures can be taken by knowing the exact prevalence of this common neural tube defect; thus, carried out through systematic review and meta-analysis, the present study was conducted to determine the worldwide prevalence, incidence and mortality of anencephaly.

Methods: Cochran's seven-step instructions were used as the guideline.

Global prevalence of polypharmacy among the COVID-19 patients: a comprehensive systematic review and meta-analysis of observational studies.

Background: Polypharmacy has traditionally been defined in various texts as the use of 5 or more chronic drugs, the use of inappropriate drugs, or drugs that are not clinically authorized. The aim of this study was to evaluate the prevalence of polypharmacy among the COVID-19 patients, and the side effects, by systematic review and meta-analysis.

Methods: This study was performed by systematic review method and in accordance with PRISMA 2020 criteria.

Global prevalence of falls in the older adults: a comprehensive systematic review and meta-analysis.

Background: With increasing life expectancy, declining mortality, and birth rates, the world's geriatric population is increasing. Falls in the older people are one of the most common and serious problems. Injuries from falls can be fatal or non-fatal and physical or psychological, leading to a reduction in the ability to perform activities of daily living.

Body dysmorphic disorder in individuals requesting cosmetic surgery: A systematic review and meta-analysis.

Background: Body dysmorphic disorder (BDD) is known as a mental disorder in which a person suffers from concern and distress with the perceived defects in their appearance and subsequently can experience significant impairment in social, occupational, and interpersonal functioning. Various studies have reported different BDD prevalence rates in patients with cosmetic surgery. However, there has been no comprehensive study that has examined the results of these studies.

Global prevalence of hepatitis C in prisoners: a comprehensive systematic review and meta-analysis.

Hepatitis C virus (HCV), one of the most significant causes of liver inflammation, has a high annual mortality rate. The unfavorable hygiene conditions and inadequate health monitoring in many prisons increase the risk of blood-borne infections such as hepatitis C. The growing incidence of this disease among prisoners results in overspill transmission to the general population from undiagnosed prisoners that have been released.

Telemedicine and insomnia: a comprehensive systematic review and meta-analysis.

Background: Telemedicine has been introduced as a new and effective method in dealing with public health challenges, improving access to health care, and reducing healthcare costs in today's world. Insomnia is the most common sleep disorder that can be managed with cognitive behavioural therapy, however, access to skilled therapists is an issue. Telemedicine improves access to care and thus, it may facilitate management of insomnia.

Global prevalence of osteoporosis among the world older adults: a comprehensive systematic review and meta-analysis.

Background: Osteoporosis is one of the most common bone system diseases that is associated with an increased risk of bone fractures and causes many complications for patients. With age, the prevalence of this disease increases so that it has become a serious problem among the elders. In this study, the prevalence of osteoporosis among elders around the world is examined to gain an understanding of its prevalence pattern.

The global prevalence of major depressive disorder (MDD) among the elderly: A systematic review and meta-analysis.

Background: Major depressive disorder is characterized by a depressed mood or feeling of sadness, loss of interest or pleasure in everyday activities. Depressed individuals have a cognitive impairment, low self-esteem, difficulty making decisions, feeling helpless and hopeless. The factors that have been associated with depression include the lack of social support, living in rural areas, suffering from chronic diseases, smoking, and alcohol abuse.

The best drug supplement for obesity treatment: a systematic review and network meta-analysis.

Background: Obesity is a complex disease with an increasing prevalence worldwide. There are different weight-management options for obesity treatment, including dietary control, exercise, surgery, and medication. Medications are always associated with different responses from different people.

Global prevalence of cleft palate, cleft lip and cleft palate and lip: A comprehensive systematic review and meta-analysis.

Background: Birth defect is widely used as a term for congenital anomalies. Children with cleft lip and palate may have serious speech, hearing, nutrition, and mental and social development disorders; therefore, this study was designed to determine the overall prevalence of cleft palate, lip, and cleft palate through systematic review and meta-analysis.

Methods: In this study, systematic review and meta-analysis of data from studies on the prevalence of cleft lip and palate in Scopus, Embase, Magiran, Web of Science (WoS), PubMed and Science Direct databases were extracted between January 2000 and June 2020.

A systematic review and meta-analysis of prevalence of insomnia in the third trimester of pregnancy.

Background: Sleep disorders, which are among the foremost important medical care issues, are prevalent in pregnancy. The present study is a meta-analysis of the prevalence of insomnia in the third trimester of pregnancy. This study aims to systematically review the overall prevalence of insomnia in the third trimester of pregnancy through conducting a meta-analysis.

The prevalence of Restless Legs Syndrome/Willis-ekbom disease (RLS/WED) in the third trimester of pregnancy: a systematic review.

Background: RLS is known as one of the most common movement disorders during pregnancy, which is most aggravated in the third trimester of pregnancy and can affect up to one-third of pregnant women. This study intends to determine the total prevalence of RLS in the third trimester of pregnancy through a systematic review.

Methods: The present study was conducted via meta-analysis method up to 2019.

The Effect of Educational Intervention Based on the Theory of Planned Behavior on Mammography Screening in Iranian Women.

Mammography is the most special screening method for early diagnosis of breast cancer. The purpose of present research is investigating the effect of educational intervention based on theory of planned behavior on mammography screening of women in Fasa city, Fars province, Iran. In this quasi-experimental study, 400 subjects (200 subjects for experimental group and 200 subjects for control group) were selected in 2017-2018.