Cox analysis confirmed that the IS was an independent predictor for PFS and a marginally significant predictor for CSS (Table 3 ).
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Nectin-4 expression in upper and lower tract urothelial carcinoma: correlation with early-stage disease and prognostic relevance.
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The sentences
When subgroup analyses were conducted separately for early- and advanced-stage disease, a trend toward improved prognosis was observed in advanced-stage cases within the Hiroshima cohort; however, some of the results did not reach statistical significance, possibly due to the limited sample size.
While not statistical significance, a favorable trend was observed in muscle-invasive UTUC cases (Fig.