1. Complications of non-invasive ventilation techniques: a comprehensive qualitative review of randomized trials 
M. Carron, U. Freo, A.S. BaHammam, D. Dellweg, F. Guarracino, R. Cosentini, P. Feltracco, A. Vianello, C. Ori, A. Esquinas 
British Journal of Anaesthesia 
Volume 110, Issue 6, Pages (June 2013)
DOI: /bja/aet070
Copyright © 2013 The Author(s) Terms and Conditions

2. Fig 1 Schematic of study selection protocol.
British Journal of Anaesthesia  , DOI: ( /bja/aet070)
Copyright © 2013 The Author(s) Terms and Conditions

3. Fig 2
Failure rates with NIV vs standard medical therapy in ARF. The figure shows the meta-analysis for (top to bottom) COPD, ACPO, hypoxic ARF, hypoxic–hypercapnic ARF, postoperative ARF, post-extubation ARF, and weaning.
British Journal of Anaesthesia  , DOI: ( /bja/aet070)
Copyright © 2013 The Author(s) Terms and Conditions

4. Fig 3
Pneumonia incidence with NIV vs standard medical therapy in ARF. The figure shows the meta-analysis for (top to bottom) COPD, ACPO, hypoxic ARF, hypoxic–hypercapnic ARF, postoperative ARF, post-extubation ARF, and weaning.
British Journal of Anaesthesia  , DOI: ( /bja/aet070)
Copyright © 2013 The Author(s) Terms and Conditions