Review Article
Comparison of Clinical Safety and Outcomes of Early versus Delayed Laparoscopic Cholecystectomy for Acute Cholecystitis: A Meta-Analysis
Table 2
Risks of bias in included studies.
| Studies | Randomization sequence generation | Allocation concealment | Blinding | Incomplete outcome data | Selective reporting | Free from baseline imbalance |
| Gutt et al. [7] | + | + | − | + | + | + | Yadav et al. [8] | ? | ? | − | ? | − | + | Kolla et al. [9] | + | + | − | + | + | + | Johansson et al. [10] | + | + | − | + | + | + | Davila et al. [11] | ? | ? | − | ? | + | ? | Lai et al. [12] | + | + | − | + | + | + | Lo et al. [13] | + | + | − | + | + | + |
|
|
+: low risk of bias; −: high risk of bias; ?: unclear.
|