Brouwer 2006.
| Methods | RCT; computer blocked randomisation Not blinded | |
| Participants | Osteoarthritis of the medial compartment with medial joint pain and varus malalignment | |
| Interventions | I: opening wedge high tibial osteotomy (n = 45)
C: closing wedge high tibial osteotomy (n = 47)
Follow‐up: 1 year I: 1 dropout C: 1 dropout |
|
| Outcomes | Accuracy of postoperative correction VAS pain score HSS knee score Walking distance Complications | |
| Notes | Quote: "No benefits in any form have been received or will be received from a commercial party related directly or indirectly to the subject of this article" | |
| Risk of bias | ||
| Bias | Authors' judgement | Support for judgement |
| Random sequence generation (selection bias) | Low risk | Quote: "The patients were randomised by a computer generated procedure in blocks of 16" |
| Allocation concealment (selection bias) | Low risk | Quote: "Sealed envelopes contained the group assignment" |
| Blinding (performance bias and detection bias) All outcomes | High risk | Not possible |
| Blinding of participants and personnel (performance bias) All outcomes | High risk | Not possible |
| Blinding of outcome assessment (detection bias) All outcomes | High risk | Relevant leg not covered to conceal the operative technique |
| Incomplete outcome data (attrition bias) All outcomes | Low risk | Intention‐to‐treat analysis |
| Selective reporting (reporting bias) | Low risk | Study protocol available |
| Other bias | Low risk | No issue |