Data collection and measurements
The study included 397 patients (male:female= 2.89) with an average age of 48.03 ± 14.09. Demographic data for all patients enrolled collected, including comorbidity. Baseline biological tests and followed up until hospital discharge or death according to the protocol applied in Al-Shafaa center. Fever, SBP, DBP, RR, PR, blood sugar, WBCs, HG, S.Cr, BUN, AST, ALT, ALP, and total bilirubin were measured periodically throughout the disease course.
Based on the clinical presentation and investigations, patients categorized into four groups according to the severity of the disease. CT scan negative for pneumonia indicated mild case, whereas a positive CT scan designated moderate case. For patients having reduced oxygen saturation ≤ 93%, respiratory rate ≥ 30 breaths /min, or multi-organ failure with positive CT scan for pneumonia signifies the severe case and critical cases involved patient admitted to ICU.