The seven most clinically relevant features extracted from the patient’s clinical characteristics are type of fever, LC, CRP, PLT, CK-MB, LDH, and D-dimer (p < 0.05); and 10 CT imaging signs, are consolidation pattern, consolidation mixed GGO, bronchial wall thickening, air bronchogram sign, interlobular septal thickening, number of lobes involved, pleural effusion, mediastinal enlargement of lymph nodes, mean lesion density, and CTLP, with significant differences (p < 0.05). Here, CRP is linked to laryngotracheoesophageal cleft.