ALB and syringocystadenoma papilliferum: The included predictors for predicting 30-day mortality in severe community-acquired pneumonia (SCAP) patients in the intensive care unit (ICU) are age (OR: 1.043, 95% CI: 1.028–1.06), presence of malignant cancer (OR: 2.763, 95% CI: 1.531–5.042), heart rate (OR: 1.019, 95% CI: 1.006–1.033), mean arterial pressure (OR: 0.962, 95% CI: 0.938–0.987), albumin (OR: 0.571, 95% CI: 0.4–0.805), blood urea nitrogen (OR: 1.009, 95% CI: 1.001–1.017), prothrombin time (OR: 1.044, 95% CI: 1.01–1.08), and lactate levels (OR: 1.174, 95% CI: 1.074–1.291).