| Methods |
Randomised clinical trial. |
| Participants |
Country: Poland.
Number randomly assigned: 40.
Postrandomisation dropouts: not stated.
Revised sample size: 40.
Average age: 49 years.
Females: 28 (70%).
Successful completion of low pressure laparoscopic cholecystectomy: not stated.
Intraoperative cholangiogram: not stated.
Inclusion criteria:
Patients with cholelithiasis and indications for surgical treatment.
Exclusion criteria:
1. No symptoms of acute cholecystitis.
2. Diabetes.
3. Body mass index.
4. Above 36 kg/m2.
5. Autoimmunological diseases. |
| Interventions |
Participants were randomly assigned to different pressures of pneumoperitoneum.
Group 1: low pressure 6 to 8 mm Hg (n = 20).
Group 2: standard pressure 12 to 14 mm Hg (n = 20). |
| Outcomes |
The outcome reported was operating time. |
| Notes |
Attempts to contact the trial authors in March 2013 were unsuccessful. |
| Risk of bias |
| Bias |
Authors' judgement |
Support for judgement |
| Random sequence generation (selection bias) |
Unclear risk |
Comment: This information was not available. |
| Allocation concealment (selection bias) |
Unclear risk |
Comment: This information was not available. |
| Blinding (performance bias and detection bias)
All outcomes |
Unclear risk |
Comment: This information was not available. |
| Incomplete outcome data (attrition bias)
All outcomes |
Unclear risk |
Comment: This information was not available. |
| Selective reporting (reporting bias) |
High risk |
Comment: Important outcomes such as mortality and morbidity were not reported. |
| For‐profit bias? |
Unclear risk |
Comment: This information was not available. |
