Fig. 1From: Effects of intraoperative individualized PEEP on postoperative atelectasis in obese patients: study protocol for a prospective randomized controlled trialConsolidated Standards of Reporting Trials (CONSORT) diagram for this trail. PEEP, positive end-expiratory pressure; iPEEP, individual PEEP, COPD, chronic obstructive pulmonary disease, ICU, intensive care unit; ASA, American Society of Anesthesiologists classification, PaO2, partial pressure of arterial oxygen, FiO2, inspiratory fraction of inspired oxygen, EIT, electrical impedance tomography, PPCs, postoperative pulmonary complications, PCT, procalcitoninBack to article page