From: The efficacy of pregabalin for the management of postoperative pain in primary total knee and hip arthroplasty: a meta-analysis
Outcome
Studies
Overall effect
Heterogeneity
Effect estimate
95% CI
P value
I 2 (%)
Nausea
6
0.55
0.37, 0.80
0.002
0
0.57
Vomits
5
0.53
0.33, 0.83
0.006
46
0.11
Pruritus
4
0.52
0.29, 0.95
0.03
1.0
Dizziness
1.95
1.19, 3.18
0.008
0.75