16 June 2026 : Database Analysis
Opioid-Sparing Effects of Peripheral Nerve Blocks in Kidney Transplant Recipients: A Systematic Review and Meta-Analysis
Hye Joo Yun ABCDEF 1, Dong Hyun Kim CDEF 1, Mee Young Chung ABCDEFG 1, Ji Young Min
ABCDEF 1*
DOI: 10.12659/AOT.952211
Ann Transplant 2026; 31:e952211
Table 2 Cochrane Collaboration risk-of-bias summary: evaluation of bias domains for randomized controlled trials included in this review.
| Study | Randomization process | Allocation concealment | Blinding (participants/ personnel) | Blinding of outcome assessment | Incomplete data | Selective reporting | Overall risk |
|---|---|---|---|---|---|---|---|
| Shoeibi et al []16 | Low | Unclear | Unclear | Low | Low | Low | Some concerns |
| Mukhtar et al []17 | Unclear | Unclear | Unclear | Unclear | Low | Unclear | Some concerns |
| Freir et al []18 | Low | Low | Low | Low | Low | Low | Low |
| Mohammadi et al []19 | Low | Unclear | Low | Low | Low | Low | Some concerns |
| Khaled MA et al []20 | Low | Low | Low | Low | Low | Low | Low |
| Hanson et al []22 | Low | Low | Low | Low | Low | Low | Low |
| Theeraratvarasin et al []23 | Low | Low | Low | Low | Low | Low | Low |
| Sindwani et al []24 | Low | Low | Low | Low | Low | Low | Low |
| Ojha et al []25 | Low | Low | Unclear (open label) | Low | Low | Low | Some concerns |