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. 2023 Feb 27;2023(2):CD010003. doi: 10.1002/14651858.CD010003.pub2

1. SPLINT compared to NO ACTIVE TREATMENT for carpal tunnel syndrome ‐ outcomes that are not presented in the summary of findings table.

SPLINT compared to NO ACTIVE TREATMENT for carpal tunnel syndrome ‐ outcomes that are not presented in the summary of findings table
Patient or population: carpal tunnel syndrome
Setting: outpatient clinics in Italy, Thailand and Turkey; hospital clinic in Australia; education and research hospital in Turkey
Intervention: SPLINT
Comparison: NO ACTIVE TREATMENT
Outcomes Anticipated absolute effects* (95% CI) Relative effect(95% CI) № of participants(studies) Certainty of the evidence(GRADE) Comments
Risk with NO ACTIVE TREATMENT Risk with SPLINT
Functional status (Boston CTS questionnaire) ‐ short‐term improvement: < 3 months. Scale: 1 to 5, higher is worse The mean function was 1.97 points MD 0.24 points better
(0.44 better to 0.03 better) 306
(6 RCTs) ⊕⊕⊕⊝
Moderate Splint probably does not improve hand function in the short term. Absolute difference 6% better (11% better to 0.75% better) with splint
Overall improvement ‐ long‐term improvement: > 3 months No studies reported this outcome (0 RCTs) Not estimable. We are uncertain about the effect.
Health‐related quality of life ‐ short‐term improvement: < 3 months No studies reported this outcome (0 RCTs) Not estimable. We are uncertain about the effect.
*The risk in the intervention group (and its 95% CI) is based on the assumed risk in the comparison group and the relative effect of the intervention (and its 95% CI).

CI: confidence interval; MD: mean difference; RCT: randomised controlled trial; RR: risk ratio; CTS: carpal tunnel syndrome
GRADE Working Group grades of evidenceHigh certainty: we are very confident that the true effect lies close to that of the estimate of the effect
Moderate certainty: we are moderately confident in the effect estimate: The true effect is likely to be close to the estimate of the effect, but there is a possibility that it is substantially different
Low certainty: our confidence in the effect estimate is limited: The true effect may be substantially different from the estimate of the effect
Very low certainty: we have very little confidence in the effect estimate: The true effect is likely to be substantially different from the estimate of effect

aDowngraded for high risk of bias in the included studies (lack of blinding)