1. Extending epidural analgesia for emergency Caesarean section: a meta-analysis 
S.G. Hillyard, T.E. Bate, T.B. Corcoran, M.J. Paech, G. O'Sullivan 
British Journal of Anaesthesia 
Volume 107, Issue 5, Pages (November 2011)
DOI: /bja/aer300
Copyright © 2011 The Author(s) Terms and Conditions

2. Fig 1 Search strategy flowchart.
British Journal of Anaesthesia  , DOI: ( /bja/aer300)
Copyright © 2011 The Author(s) Terms and Conditions

3. Fig 2
Risk of bias summary: review authors’ judgements about each risk of bias item for each of the included studies.
British Journal of Anaesthesia  , DOI: ( /bja/aer300)
Copyright © 2011 The Author(s) Terms and Conditions

4. Fig 3
The onset time of a block suitable to allow surgery, comparing LE±F (2% lidocaine, epinephrine, and fentanyl) top-up solutions with either Bup/Levo (0.5% bupivacaine, 0.5% levobupivacaine), or Ropi (0.75% ropivacaine) solutions.
British Journal of Anaesthesia  , DOI: ( /bja/aer300)
Copyright © 2011 The Author(s) Terms and Conditions

5. Fig 4
The effect of the addition of fentanyl to a top-up solution on the onset time of a block suitable to allow surgery.
British Journal of Anaesthesia  , DOI: ( /bja/aer300)
Copyright © 2011 The Author(s) Terms and Conditions

6. Fig 5
The need for intraoperative supplementation, comparing Bup/Levo (0.5% bupivacaine or 0.5% levobupivacaine) top-up solutions to LE±F (2% lidocaine, epinephrine, and fentanyl), or Ropi (0.75% ropivacaine) solutions.
British Journal of Anaesthesia  , DOI: ( /bja/aer300)
Copyright © 2011 The Author(s) Terms and Conditions

7. Fig 6
The effect of the addition of fentanyl to a top-up solution on the need for intraoperative supplementation.
British Journal of Anaesthesia  , DOI: ( /bja/aer300)
Copyright © 2011 The Author(s) Terms and Conditions