Patients with ICC had less pain, less postoperative analgesia drug demand, better triflow performance, shorter drainage duration and hospitalization compared with patients without ICC. (A) Pain score for patients who received continuous intercostal nerve block (ICC) or single shot intercostal nerve analgesia (No ICC) on postoperative day 0, 1, 2, 3, discharge day (P=0.023, 0.001, 0.481, 0.594, 0.531); (B) triflow rehabilitation performance for patients who received continuous intercostal block or single shot intercostal nerve analgesia (no ICC) on pre op, day 1, 2, 3, discharge day (P=0.175, 0.015, 0.032, 0.815, 0.864); (C) postoperative IV form morphine demand, chest tube drainage duration, hospital stay on ICC and no ICC group (P=0.017, 0.001, 0.005). ICC, intercostal catheter.