Comparison |
Outcome |
Subgroup |
Effect size (SMD) |
No. of studies (N) |
Fail‐safe‐n |
1. FNB vs PCA opioid |
Analysis 1.1—Pain at rest at 24 hours |
Overall |
‐0.72 |
19 |
60 |
1. FNB vs PCA opioid |
Analysis 1.2—Pain at rest at 24 hours by allocation concealment |
Low risk of bias RCTs |
‐0.54 |
9 |
18 |
1. FNB vs PCA Opioid |
Analysis 1.5—Pain on movement at 24 hours |
Overall |
‐0.94 |
17 |
78 |
1. FNB vs PCA opioid |
Analysis 1.6—Pain on movement at 24 hours by allocation concealment |
Low risk of bias RCTs |
‐0.54 |
9 |
18 |
2. FNB vs epidural |
Analysis 2.1—Pain at Rrest at 24 hours |
< not significant, not applicable > |
2. FNB vs epidural |
Analysis 2.5—Pain on movement at 24 hours |
< not significant, not applicable > |
3. FNB vs local infiltration |
Analysis 2.1—Pain at rest at 24 hours |
< not significant, not applicable > |
3. FNB vs local infiltration |
Analysis 2.5—Pain on movement at 24 hours |
< not significant, not applicable > |
4. Continuous vs single‐shot FNB |
Analysis 4.1—Pain at rest at 24 hours |
Overall |
‐0.62 |
4 |
9 |
4. Continuous vs single‐shot FNB |
Analysis 4.3—Pain on movement at 24 hours |
Overall |
‐0.42 |
4 |
5 |