Table 2 The quality assessment for the included studies
From: Liposome bupivacaine for pain control after total knee arthroplasty: a meta-analysis
Trials | Random sequence generation | Allocation concealment | Blinding | Complete outcome data | Selective reporting | Other bias |
|---|---|---|---|---|---|---|
Bramlett 2012 [11] | Centralized randomization system | Unclear | Yes | Yes | Unclear | Unclear |
Collis 2016 [15] | Unclear | Unclear | Yes | Yes | No | Unclear |
Schroer 2015 [12] | Unclear | Unclear | Yes | Yes | Unclear | Unclear |
Schwarzkopf 2016 [13] | Unclear | Unclear | Unclear | Yes | Unclear | Unclear |
Surdam 2015 [14] | Unclear | Sealed envelopes | No | Yes | Unclear | Unclear |