Comparison between D-dimer levels in diabetic and non-diabetic positive COVID-19 adult patients: A hospital-based study.

Background: Diabetes is one of the most common associated comorbidity with severe acute respiratory syndrome coronavirus (SARS-CoV-2) pneumonia patients. Coagulation disorders with D-dimer levels are increased in both diseases. This study aimed to compare the levels of D-dimer in DM and non-DM patients with coronavirus disease (COVID-19) and correlate it with the disease severity.

Analysis of Serum Immune Markers in Seropositive and Seronegative Rheumatoid Arthritis Among Sudanese Patients and the Relation Between the Serotype and Joint Involvement: A Cohort Study.

Introduction: Rheumatoid arthritis (RA) is a chronic autoimmune disease characterized by inflammation of the synovial membrane. RA is classified as seropositive or seronegative, according to the absence or presence of primarily IgM RF, RF, and/or ACPA. The aim of this study is to identify the relationship between the serotype of rheumatoid arthritis and the level of ESR.