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. 2019 Jan 9;9(1):e023139. doi: 10.1136/bmjopen-2018-023139

Figure 2.

Figure 2

CONSORT flow diagram for the NIPPER PLUS study. CONSORT, Consolidated Standards of Reporting Trials; HRQoL, health-related quality of life; NIPPER PLUS, Non-Invasive Positive airway Pressure therapy to Reduce Postoperative Lung complications following Upper abdominal Surgery; NIV, non-invasive ventilation; POD, postoperative day; PPC, postoperative pulmonary complication.