1. Comparison of the i-gel with the cuffed tracheal tube during pressure-controlled ventilation 
V. Uppal, G. Fletcher, J. Kinsella 
British Journal of Anaesthesia 
Volume 102, Issue 2, Pages (February 2009)
DOI: /bja/aen366
Copyright © 2009 British Journal of Anaesthesia Terms and Conditions

2. Fig 1
Leak fractions using i-gel or tracheal tubes. Box shows the median, 25th and 75th percentiles (box boundaries), and range (whiskers). *Out-lier cases. The difference was significant at 25 cm H2O (P=0.014).
British Journal of Anaesthesia  , DOI: ( /bja/aen366)
Copyright © 2009 British Journal of Anaesthesia Terms and Conditions

3. Fig 2
Leak volumes using i-gel or tracheal tubes. Box shows the median, 25th and 75th percentiles (box boundaries), and range (whiskers). *Out-lier cases. The difference was significant at 25 cm H2O (P=0.006).
British Journal of Anaesthesia  , DOI: ( /bja/aen366)
Copyright © 2009 British Journal of Anaesthesia Terms and Conditions