A psychometric study of an executive function assessment instrument (TDI-FE).

Background: This study aims to present and discuss the psychometric properties of executive functions, which were measured using the TDI-FE instrument. The analysis encompasses its internal structure, potential sensitivity to fatigue factors, relationships with external criteria, and diagnostic accuracy.

Methods: The study sample comprised 382 students from Brazil, aged 6-8 years.

Perinatal outcomes of first pregnancy after chemotherapy for gestational trophoblastic neoplasia: a systematic review of observational studies and meta-analysis.

Objective: To assess perinatal outcomes of first pregnancy after remission from gestational trophoblastic neoplasia and the impact of the time between the end of chemotherapy and the subsequent pregnancy.

Data Sources: The Medical Subject Headings related to perinatal outcomes, chemotherapy, and gestational trophoblastic neoplasia were used alone or in combination to retrieve relevant articles. We searched all references registered until April, 2019 in Embase, LILACS, MEDLINE, the Cochrane Central Register of Controlled Trials, and Web of Science.

[Syphilis in young Brazilian military recruits in 2016: sociodemographic, behavioral, and clinical aspects].

The objective was to characterize sociodemographic, behavioral, and clinical aspects in young Brazilian military recruits according to prevalence of syphilis. This was a descriptive study based on a nationwide population-based survey in 2016 with a probabilistic sample of military recruits 17 to 22 years of age. A confidential self-applied questionnaire was used.

Knowledge about sexually transmitted infections among young men presenting to the Brazilian Army, 2016: A STROBE-compliant national survey-based cross-sectional observational study.

Global burden of sexually transmitted infections (STIs) remains high and has a profound impact on health and lives of children, adolescents and adults worldwide. For over a decade, the Brazilian Department of Chronic Condition Diseases and Sexually Transmitted Infections and the Ministry of Defense have been conducting the Conscripts Survey aiming to assess the STI prevalence and obtain data on knowledge regarding STIs and risk factors among youth.A cross-sectional study was conducted among conscripts across Brazil aged 17 to 22 years from August to December 2016.

Prognosis of PD-L1 in human breast cancer: protocol for a systematic review and meta-analysis.

Background: Breast cancer is one of the most common malignancies in women worldwide, and one of the leading causes of cancer-related death. Programmed cell death 1 (PD-1) and its ligand (PD-L1) are key physiologic suppressors of the cytotoxic immune reaction. Some authors advocate that PD-L1 expression may help in breast cancer prognosis.