| Methods |
Randomised clinical trial. |
| Participants |
Country: USA.
Number randomised: 50.
Post‐randomisation drop‐outs: not stated.
Revised sample size: 50.
Mean age: 39 years.
Females: not stated.
Inclusion criteria
1. Patients undergoing elective laparoscopic cholecystectomy. |
| Interventions |
Participants were randomly assigned to 1 of 2 groups.
Group 1: patient education (n = 25).
Further details: Power Point presentation.
Group 2: standard care (n = 25). |
| Outcomes |
Patient knowledge. |
| Notes |
Authors contacted in April 2013. No replies were received. |
| Risk of bias |
| Bias |
Authors' judgement |
Support for judgement |
| Adequate sequence generation |
Unclear risk |
Comment: This information was not available. |
| Allocation concealment |
Unclear risk |
Comment: This information was not available. |
| Blinding of participants and personnel |
High risk |
Comment: It is impossible to blind the patients to the groups. |
| Blinding of outcome assessors |
Unclear risk |
Comment: This information was not available. |
| Incomplete outcome data addressed
All outcomes |
Unclear risk |
Comment: This information was not available. |
| Free of selective reporting |
High risk |
Comment: Important outcomes such as patient mortality and morbidity were not reported. |
| For‐profit bias |
Unclear risk |
Comment: This information was not available. |
