CRP and Nasal congestion: The results indicated that several features had relatively high AUC values: SF-36 (AUC = 0.862), CRP (AUC = 0.797), TCMSS (AUC = 0.736), lymphocyte ratio (AUC = 0.662), expectoration (AUC = 0.586), chest tightness (AUC = 0.574), nasal congestion (AUC = 0.573), cough (AUC = 0.571), pulmonary nodule (AUC = 0.571), aversion to cold (AUC = 0.558), neutrophils (AUC = 0.550), age (AUC = 0.543), and creatinine (AUC = 0.542).