Validation of the self-reported diagnosis of diabetes mellitus, hypercholesterolemia, and hypertension in Iran; STEPS 2016.

Purpose: As a part of STEPwise approach to risk factor Surveillance (STEPS) study, our aim was to evaluate the validity of the self-reported diagnosis of diabetes (DM), hypertension (HTN), and hypercholesterolemia (Hyper-Chol) in the Iranian population.

Methods: Using systematic proportional to size cluster sampling, 27,232 participants were included in our study. We calculated the sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) to assess the validity of self-reported diagnoses.

The Economic Burden of Malignant Brain Tumors.

Malignant brain tumors consist of primary malignant tumors and metastatic brain tumors. The global incidence and prevalence of CNS cancers are increasing, their mortality and morbidity are relatively higher than other cancers (e.g.

Risk perception, attitude, and practice related to COVID-19: A cross-sectional study among 1085 Iranian healthcare workers.

Backgrounds: Healthcare workers are at risk of mental illness during COVID-19 pandemic. We investigated the level of perceived risk and adherence to preventive behaviors regarding COVID-19 among medical students and physicians.

Materials And Methods: We conducted an online nationwide cross-sectional survey among Iranian physicians and medical students.