Chung 2003.
Methods | Assignment: alternating Follow‐up: 4 months | |
Participants | Grade 3 and 4 hemorrhoids. | |
Interventions | Ligasure and conventional closed technique (Ferguson) | |
Outcomes | Operating time, pain, complications, wound swelling, hospital stay, return to work | |
Notes | MJS 3 | |
Risk of bias | ||
Bias | Authors' judgement | Support for judgement |
Allocation concealment (selection bias) | High risk | C ‐ Inadequate |