Clinical Value of Routine Preoperative Ultrasonography in Bariatric Surgery Candidates: A Retrospective Analysis of 1119 Cases.

In univariate analysis, multiple USG findings showed significant association with cancellation: large ovarian/uterine masses (OR 17.0, 95% CI 5.3–54.5, p < 0.001), hepatomegaly (OR 38.2, 95% CI 18.9–77.1, p < 0.001), hepatic steatosis (OR 6.3, 95% CI 1.3–30.0, p = 0.008), gallstones (OR 5.3, 95% CI 1.8–12.9, p = 0.002), and choledochal cyst (OR 29.7, 95% CI 2.3–Not estimable, p = 0.041), while suspected lymphoma ( p = 0.051) showed borderline significance. large ovarian/uterine masses remained significant (adjusted OR 12.9, 95% CI 3.0–55.2, p = 0.001), while bladder polypoid lesion (OR 12.4, 95% CI 0.7–220.1, p = 0.093) and adrenal lesion > 4 cm (OR 15.8, 95% CI 0.8–312.5, p = 0.074) showed borderline associations.

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Firth’s penalized logistic regression confirmed large ovarian/uterine masses (OR 11.4, 95% CI 2.5–51.4, p = 0.002) and choledochal cyst (OR 29.7, 95% CI 1.8–489.5, p = 0.048) as independent predictors of cancellation, while liver mass/metastasis (OR 35.8, 95% CI 0.8–1600, p = 0.073), bladder polypoid lesion (OR 10.9, 95% CI 0.6–192.5, p = 0.110), and adrenal lesion > 4 cm (OR 13.6, 95% CI 0.7–271.4, p = 0.089) did not reach statistical significance.

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