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Baseline demographic, clinical, and nutritional data were analyzed. Univariable and multivariable logistic regression models were employed to identify predictors of postoperative complications. The discriminative ability of PhA was evaluated using receiver operating characteristic (ROC) curve analysis, with additional stratification by sex.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Among 119 patients (median age 28\u00a0years; 72.3% male; median BMI 18.0\u00a0kg\/m\n                      <jats:sup>2<\/jats:sup>\n                      ), 25 (21.0%) experienced postoperative complications. Mean preoperative PhA was significantly lower in patients with complications compared with those without (4.1\u2009\u00b1\u20090.5\u00b0 vs 4.8\u2009\u00b1\u20090.7\u00b0,\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&lt;\u20090.001). In multivariable analysis, higher preoperative PhA was independently associated with reduced odds of complications (OR\u2009=\u20090.203, 95% CI\u2009=\u20090.085\u20130.487,\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&lt;\u20090.001), whereas elevated C-reactive protein on postoperative day 3 was associated with increased odds (OR\u2009=\u20091.017, 95% CI\u2009=\u20091.007\u20131.028,\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u20090.002). PhA demonstrated good overall discrimination (AUC 0.772, 95% CI 0.657\u20130.863). Sex-stratified analysis revealed superior discrimination in females (AUC 0.864, 95% CI 0.689\u20131.000; cut-off 3.9\u00b0) compared with males (AUC 0.748, 95% CI 0.625\u20130.857; cut-off 4.5\u00b0).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Lower preoperative PhA values were associated with a higher risk of short\u2011term postoperative complications after ileocolic resection for CD. Findings support the potential incorporation of PhA into preoperative risk assessment to help identify higher\u2011risk patients and guide perioperative optimization.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1007\/s00384-025-05053-y","type":"journal-article","created":{"date-parts":[[2026,1,3]],"date-time":"2026-01-03T07:07:48Z","timestamp":1767424068000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Preoperative phase angle and postoperative complications in Crohn\u2019s disease patients undergoing ileocolic resection: a retrospective cohort study"],"prefix":"10.1007","volume":"41","author":[{"given":"Weilin","family":"Qi","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Huaying","family":"Liu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Huiping","family":"Liang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wei","family":"Liu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Linna","family":"Ye","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qian","family":"Cao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaolong","family":"Ge","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wei","family":"Zhou","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,1,3]]},"reference":[{"issue":"10432","key":"5053_CR1","doi-asserted-by":"publisher","first-page":"1177","DOI":"10.1016\/S0140-6736(23)02586-2","volume":"403","author":"M Dolinger","year":"2024","unstructured":"Dolinger M, Torres J, Vermeire S (2024) Crohn\u2019s disease. 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