Flexible ureteroscopy across calyceal locations: impact of ureteroscope caliber and lower-pole anatomy on stone-free outcomes : Sheathless RIRS: Calyx Anatomy and Scope Size.

BMC Urol · 2026 · PMC13126765 · PMID 41862910

Europe PMC DOI

hedged sentences

0.3900

closest p · 7.8× alpha

0.3900

boldest claim

The sentences

did not reach statistical significancep = 0.39not close (p > 0.1)

7.5 F) showed higher odds of residual fragments, though this did not reach statistical significance in the overall cohort (adjusted OR = 1.42; p = 0.39).

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showed a trendno p-value reported

Subclassification analysis showed a trend favoring the 7.5 F group, with a greater proportion of patients achieving complete clearance or residual fragments < 2 mm ( Table 1 ).

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