1. Effect of prophylactic 5-HT3 receptor antagonists on pruritus induced by neuraxial opioids: a quantitative systematic review† 
M.-P. Bonnet, E. Marret, J. Josserand, F.J. Mercier 
British Journal of Anaesthesia 
Volume 101, Issue 3, Pages (September 2008)
DOI: /bja/aen202
Copyright © 2008 British Journal of Anaesthesia Terms and Conditions

2. Fig 1 Flow chart of systematic research.
British Journal of Anaesthesia  , DOI: ( /bja/aen202)
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3. Fig 2
Effect of 5-HT3 antagonists on the risk of pruritus after administration of spinal or epidural opioids (OR, odds ratio).
British Journal of Anaesthesia  , DOI: ( /bja/aen202)
Copyright © 2008 British Journal of Anaesthesia Terms and Conditions

4. Fig 3
L'Abbé plot of the risk of pruritus for 5-HT3 antagonists vs placebo. Closed circles, incidence of pruritus was significantly (P<0.05) lower in the 5-HT3 antagonist group; open circles, no significant difference in the 5-HT3 antagonist group compared with the placebo group.
British Journal of Anaesthesia  , DOI: ( /bja/aen202)
Copyright © 2008 British Journal of Anaesthesia Terms and Conditions

5. Fig 4
Effect of 5-HT3 antagonists on the risk of pruritus after administration of spinal or epidural opioids in patients undergoing Caesarean section (OR, odds ratio).
British Journal of Anaesthesia  , DOI: ( /bja/aen202)
Copyright © 2008 British Journal of Anaesthesia Terms and Conditions

6. Fig 5
Funnel plot with 95% CI for all trials investigating the incidence of pruritus in patients receiving neuraxial opioids and undergoing all surgical procedures and labour (OR, odds ratio).
British Journal of Anaesthesia  , DOI: ( /bja/aen202)
Copyright © 2008 British Journal of Anaesthesia Terms and Conditions

7. Fig 6
Effect of 5-HT3 antagonists on the pruritus intensity score after administration of neuraxial opioids (WMD, weighted mean difference).
British Journal of Anaesthesia  , DOI: ( /bja/aen202)
Copyright © 2008 British Journal of Anaesthesia Terms and Conditions

8. Fig 7
Effect of 5-HT3 antagonists on the treatment request for pruritus after administration of neuraxial opioids (OR, odds ratio).
British Journal of Anaesthesia  , DOI: ( /bja/aen202)
Copyright © 2008 British Journal of Anaesthesia Terms and Conditions