Fig. 2

(Panel A) Unadjusted Kaplan Meir curve for the mortality outcome; (Panel B) Weighted Kaplan Meir curve for the mortality outcome. (Panel C) Unadjusted Cumulative Incidence Function (CIF) for the progression to mechanical ventilation outcome. (Panel D) Adjusted Cumulative Incidence Function (CIF) for the progression to mechanical ventilation outcome. Abbreviations: DPP4i: Dipeptidyl peptidase-4 inhibitors; HR: Hazard Ratios; CI: Confidence intervals