Evaluation of efficacy in prostate cancer contouring for MR-guided radiotherapy using structured contouring training modules.

Tech Innov Patient Support Radiat Oncol · 2026 · PMC13011055 · PMID 41884629

Europe PMC DOI

hedged sentences

0.1000

closest p · 2.0× alpha

0.1740

boldest claim

The sentences

near-significantp < 0.10so close (0.05 < p ≤ 0.1)

The Friedman test examined repeated-measures (within-resident) phase effects, and post-hoc tests were conducted when there was a statistically significant ( p < 0.05) or near-significant ( p < 0.10) effect.

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did not reach statistical significancep = 0.125not close (p > 0.1)

Although the Friedman test indicated a significant overall effect for contouring time ( p = 0.018), pairwise Wilcoxon comparisons between individual phases did not reach statistical significance (all p = 0.125 after adjustment), suggesting gradual rather than discrete improvements in efficiency over the course of training.

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a positive trendp = 0.174not close (p > 0.1)

Friedman tests confirmed statistically significant overall effects for HD ( p = 0.050), AVD ( p = 0.039), and Time ( p = 0.018), while DSC showed a positive trend that did not reach significance ( p = 0.174).

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approaching significanceno p-value reported

Three structure-specific metrics achieved statistically significant improvements, with one additional measure approaching significance.

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