Table 3.
GRADE evidence quality for each outcome
| N(study) | Design | Limitation | Inconsistency | Indirctness | Imprecision | Publication Bias | N | Quality |
|---|---|---|---|---|---|---|---|---|
| ①(study) |
Prospective cohort 7 RCT 1 |
Yes(-2) | NO | NO | NO | NO | 1479 | Low |
| ②(study) |
Prospective cohort 3 RCT 1 Retrospective cohort 1 |
NO | Yes(-1) | NO | NO | NO | 919 | Low |
| ③(study) |
RCT 1 PCS 1 RCS 1 |
NO | NO | NO | NO | NO | 60 | Medium |
| ④(study) |
Prospective cohort 1 RCT 2 |
NO | NO | NO | NO | NO | 790 | Medium |
| ⑤(study) |
Prospective cohort 2 RCT 1 |
NO | NO | NO | NO | NO | 156 | Medium |
| ⑥(study) |
Prospective cohort 1 RCT 1 |
NO | NO | NO | NO | NO | 72 | Low |
① Posterior slope of tibial plateau, ② the height of the patella, ③ fracture in the osteotomy plane, ④ survival rate, ⑤ HSS, ⑥ the recurrence of varus deformity
RCT Randomized controlled trial, RCS Retrospective comparative study, PCS Prospective comparative study