1. The impact of neuraxial clonidine on postoperative analgesia and perioperative adverse effects in women having elective Caesarean section–a systematic review and meta- analysis 
T.K. Allen, B.M. Mishriky, R.Y. Klinger, A.S. Habib 
British Journal of Anaesthesia 
Volume 120, Issue 2, Pages (February 2018)
DOI: /j.bja
Copyright © 2017 British Journal of Anaesthesia Terms and Conditions

2. Fig 1
Preferred reporting items for systematic reviews and meta-analyses (PRISMA) flow diagram. RCT = Randomised Controlled Trial.
British Journal of Anaesthesia  , DOI: ( /j.bja )
Copyright © 2017 British Journal of Anaesthesia Terms and Conditions

3. Fig 2
Pooled estimates of (a) 24 h morphine consumption and (b) time to first analgesic request in patients receiving neuraxial clonidine vs control. The combined comparisons represent studies in which multiple treatment arms were combined. CI, confidence interval.
British Journal of Anaesthesia  , DOI: ( /j.bja )
Copyright © 2017 British Journal of Anaesthesia Terms and Conditions

4. Fig 3
Contour enhanced funnel plot of (a) 24 h morphine consumption and (b) time to first analgesic request. The ellipse highlights areas where missing studies are expected.
British Journal of Anaesthesia  , DOI: ( /j.bja )
Copyright © 2017 British Journal of Anaesthesia Terms and Conditions