The SC route of nutrient administration was better tolerated than the peripheral IV route. SC administration of parenteral nutrition represents a safe alternative to IV nutrition.

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Emergency colectomy, postoperative morbidities, and living alone are associated with increased time to AC. Organizational measures to reduce the time to AC are therefore unlikely to have an impact. In contrast, age is not associated with increased time to AC, but to access to AC. Reasons for omitting AC in older patients requires further study.

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