Table 4.
Methodological assessments by the GRADE software.
| Quality assessment | No of patients | Effect | Quality | Importance | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No of studies | Design | Risk of bias | Inconsistency | Indirectness | Imprecision | Other considerations | Meta-analysis of uncontrolled categorical data | Control | Relative (95% CI) | Absolute | ||
| p, SE (follow-up mean 12 yr) | ||||||||||||
| 19 | Observational studies | No serious risk of bias | No serious inconsistency | Serious* | No serious imprecision | None | – 1069 | –0% | See comment | – – |
⊕ΟΟ LOW |
IMPORTANT |
| p, SE – Asia | ||||||||||||
| 14 | Observational studies | No serious risk of bias | No serious inconsistency | Serious* | No serious imprecision | Strong association* | 801 | 0% | See comment | – – |
⊕⊕ΟΟ LOW |
IMPORTANT |
| p, SE – Nonasia | ||||||||||||
| 5 | Observational studies | Little serious* | Serious* | No serious indirectness | No serious imprecision | None | 268 | – 0% |
See comment | – – |
⊕ΟΟ LOW |
IMPORTANT |
Author(s): yong xu.
Date: Jun 27, 2022.
Question: META analysis for femoral head necrosis.
Settings: none.
Bibliography: osteotomy for femoral head necrosis. Cochrane Database of Systematic Reviews [Year], Issue [Issue].
CI = confidence intervals, GRADE = The Grading of Recommendations Assessment, Development and Evaluation, SE = standard errors.
*
No explanation was provided.