1. Prospective randomized observer-blinded study comparing the analgesic efficacy of ultrasound-guided rectus sheath block and local anaesthetic infiltration for umbilical hernia repair 
H.G. Gurnaney, L.G. Maxwell, F.W. Kraemer, T. Goebel, M.L. Nance, A. Ganesh 
British Journal of Anaesthesia 
Volume 107, Issue 5, Pages (November 2011)
DOI: /bja/aer263
Copyright © 2011 The Author(s) Terms and Conditions

2. Fig 1 CONSORT flow diagram.
British Journal of Anaesthesia  , DOI: ( /bja/aer263)
Copyright © 2011 The Author(s) Terms and Conditions

3. Fig 2
Time to rescue analgesic administration by treatment group. The survival curve displays the probability that a patient in either of the two groups received their first rescue analgesic.
British Journal of Anaesthesia  , DOI: ( /bja/aer263)
Copyright © 2011 The Author(s) Terms and Conditions

4. Fig 3
Pain scores in PACU at rest. The box plots depict the pain scores at rest at the time of PACU admission, at 1 h in the PACU and at the time of PACU discharge. The line in the middle of the box plot represents the median; the outer limits of the box plot represent the 25th and 75th quartiles; the bars represent median (95% confidence interval) (when applicable); the dots represent the outliers.
British Journal of Anaesthesia  , DOI: ( /bja/aer263)
Copyright © 2011 The Author(s) Terms and Conditions

5. Fig 4
Pain scores in PACU with movement. The box plots depict the pain scores with movement at the time of PACU admission, at 1 h in the PACU and at the time of PACU discharge. The line in the middle of the box plot represents the median; the outer limits of the box plot represent the 25th and 75th quartiles; the notches represent median (95% confidence interval) (when applicable); the dots represent the outliers.
British Journal of Anaesthesia  , DOI: ( /bja/aer263)
Copyright © 2011 The Author(s) Terms and Conditions