| Author (Year) | ||
| Journal | ||
| Title | ||
| Relevant study design | RCT | Yes/No/Unclear |
| Relevant population | Adults of any age and either sex undergoing any surgical procedure | Yes/No/Unclear |
| Relevant intervention | Experimental group must have received an intravenous lidocaine infusion, that had to be started prior to surgical incision and to be continued at least until the end of surgery | Yes/No/Unclear |
| If you have not answered Yes to all of the questions, please exclude the study. If you answered Yes to all questions, please continue to data extraction form and critical appraisal. | ||
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