1. Epidemiology, trends, and disparities in regional anaesthesia for orthopaedic surgery 
C. Cozowicz, J. Poeran, S.G. Memtsoudis 
British Journal of Anaesthesia 
Volume 115, Pages ii57-ii67 (December 2015)
DOI: /bja/aev381
Copyright © 2015 The Author(s) Terms and Conditions

2. Fig 1 Utilization of neuraxial anaesthesia.
British Journal of Anaesthesia  , ii57-ii67DOI: ( /bja/aev381)
Copyright © 2015 The Author(s) Terms and Conditions

3. Fig 2 Utilization of peripheral nerve blocks.
British Journal of Anaesthesia  , ii57-ii67DOI: ( /bja/aev381)
Copyright © 2015 The Author(s) Terms and Conditions

4. Fig 3 Hospital variation of peripheral nerve block use.
British Journal of Anaesthesia  , ii57-ii67DOI: ( /bja/aev381)
Copyright © 2015 The Author(s) Terms and Conditions