Fig 4. AUROCC of LUS findings, SF ratios, and their combined ability to predict fatal outcome in patients with sepsis (n = 71) in Bangladesh.

Area Under the Receiver Operating Characteristics Curve (AUROCC) of 1) Lung ultrasound (LUS) quantification of the number of lung regions (0 to 12) with a B-pattern (B1 or B2); 2) SpO₂/FiO₂ ratios (SF); and 3) SF and LUS combined.