Roceto 2014.

Methods	RCT October 2007 ‐ November 2009
Participants	60 patients Patients who underwent pulmonary resection for lung cancer
Interventions	Intervention: NIPPV (CPAP) for three days starting in the immediate postoperative period + chest physiotherapy Control: Chest physiotherapy
Outcomes	Oxygen index Air leaks Dyspnea scale Pain scale
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Low risk	Opaque and sealed envelopes
Allocation concealment (selection bias)	High risk	Both the investigators and the patient knew to which group the patient was allocated
Blinding of outcome assessment (detection bias) All outcomes	Low risk	Outcome data were objective
Incomplete outcome data (attrition bias) All outcomes	Low risk	Losses: 20. Reasons for exclusion after randomisation were described
Selective reporting (reporting bias)	Low risk	No evidence of selective reporting
Other bias	Low risk	No evidence of other bias