C-Section: Inclusion criteria

C-Section: Inclusion criteria for title/ abstract and full text screening

1. Women undergoing elective c-section

2. Comparison of two or more interventions (analgesia, anesthesia, operative techniques) affecting postoperative pain

3. At least one of the following outcomes are reported: pain assessment, required analgesia or time to first analgesic request

4. Randomised controlled trial

5. Patient population comprises at least 80% c-section or the statistical analyses are separately calculated and presented

6. Full text available (including studies only published as abstracts)

7. Full text is published in English

8. No multiple publication

There was no restriction by publication date.