Table 2. GRADE assessment of included studies on pain reduction after rigid bracing.
| No. of trials | Certainty assessment | No. of patients | Absolute effect (95% CI) | Certainty | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Risk of bias | Inconsistency | Indirectness | Imprecision | Other considerations | Rigid brace | No brace | ||||
| 3 | Serious | Not serious | Not serious | Not serious | None | 54 | 51 | SMD −1.32 (−1.89 to −0.76) | ⨁⨁⨁○ MODERATE | |
⨁⨁⨁○, signifies a moderate GRADE certainty. GRADE, Grades of Recommendation Assessment, Development and Evaluation; CI, confidence interval; SMD, standardized mean difference.