AGREE II: Appraisal of Guidelines for Research and Evaluation II
ASA: American Society of Anesthesiologists
CI: Confidence Interval
COX-2: Cyclooxygenase–2
EHC: Egyptian Health Council
GDG: Guidelines Development Group
GPS: Good Practice Statement
GRADE: Grading of Recommendations, Assessment, Development and Evaluation
MCID: Minimal Clinically Important Difference
NSAIDs: Nonsteroidal anti-inflammatory drugs
OME: Oral Morphine Equivalent
PACU: Post-anesthesia Care Unit
RCTs: Randomized Controlled Trials
WHO: World Health Organization