Postoperative delirium in patients with free flap reconstruction after head and neck tumor surgery: influencing factors for severity and onset time, and a prediction model.

BMC Oral Health · 2025 · PMC12781720 · PMID 41339857

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borderline significanceno p-value reported

In our multivariable model, smoking history showed borderline significance and was considered a potential severity risk factor, plausibly via neuroinflammatory and cholinergic pathways.

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