ALB and infection: The NS group had a significantly higher rate of TIVAP-related infection (p = 0.0294), lower albumin level (p < 0.01), higher percentage of head and neck cancer (p < 0.01), lower percentage of esophageal cancer (p < 0.0443), lower percentage of hematological disease (p < 0.01), lower percentage of lung cancer (p = 0.0149), higher percentage of other benign diseases (p = 0.0113), preoperative antibiotics (p = 0.0135), and shorter catheter length (p < 0.01).