Ultrasound-guided botulinum toxin type A for shoulder pain: a meta-analysis of randomized controlled trials.

BMC Musculoskelet Disord · 2026 · PMC12781773 · PMID 41507914

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hedged sentence

0.2320

closest p · 4.6× alpha

0.2320

boldest claim

The sentences

did not reach statistical significanceP = 0.232not close (p > 0.1)

While visual asymmetry was noted in funnel plots for shoulder flexion and external rotation, Egger's tests did not reach statistical significance (flexion: P = 0.232; external rotation: P = 0.133), possibly reflecting limited study numbers or heterogeneity among smaller studies.

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