OBJECTIVE Determine the correlation between the hearing threshold and the serum levels of vitamin B12 (cobalamin) and folic acid among elderly subjects (> 60 years) with age-related hearing loss (ARHL). STUDY DESIGN Cross-sectional. SETTING Community. SUBJECTS AND METHODS Subjects included elderly who were found apparently healthy following repeated examination by physicians. The pure ton...

this research is to examine the relationship between corporate organizational culture and financial performance in iranian ict ministry-affiliated corporations. denison's questionnaire was used to measure organizational culture while four indicators namely return on assets, return on sales, return on owner's equity ratio and operating expenses/operating income ratio were employed in a...

This study examines the effect of covid-19 pandemic on profitability commercial banks in Ghana. The sampled 24 over a 5-year period from 2017 to 2021. collected data annual report these banks. measured bank using return assets and equity. main dependent variable was pandemic, as dummy variable. relied descriptive statistics, correlation analysis, panel regression analysis realize research objec...

based on the point of view of geometrical representation of an intuitionistic fuzzy set, we take into account all three parameters describing intuitionistic fuzzy set, propose a kind of new method to calculate correlation and correlation coefficient of intuitionistic fuzzy sets which is similar to the cosine of the intersectional angle in finite sets and probability space, respectively. further...