Empty pelvis syndrome as a cause of major morbidity after pelvic exenteration: validation of a core data set.

An infected pelvic collection significantly increased the likelihood of subsequently developing a chronic perineal sinus (OR 3.08, P = 0.01) and showed a near-significant association with subsequent enteroperineal fistulation (OR ∞, P = 0.0549), but progression was not significant for pelvic bowel obstruction (OR 1.85, P = 0.20).

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