Multivariate analysis included stent group and diabetes with borderline significance related to stent patency adjusted for age and sex, revealing that LPS use was significantly associated with sufficient stent patency until surgery (HR = 0.103, 95% CI 0.022–0.470, P = 0.0033) (Table 3 ).
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Comparison of double-layer large-diameter and conventional small-diameter plastic stents for preoperative biliary drainage in resectable distal malignant biliary obstruction.
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