DESCRIPTION OF STUDIES
Literature search



Transferable evidence
This section includes studies and reviews from a variety of surgical procedures to address, where appropriate, information about analgesic efficacy and adverse effects of the available interventions, which are not covered in the systematic review.


Quality of studies
Despite the large number of studies included in the review, the methodological quality of the studies of analgesia for thoracotomy was found to be generally quite poor, and patient numbers were often small.