Fig. 1. Comparison of vitamin D levels between patient groups according to clinical and nutritional factors. (A) Remnant bowel anatomy, (B) oral intake, (C) prealbumin level, (D) intravenous vitamin supplementation, (E) ambulatory status, (F) days on parenteral nutrition. CIC = colon-in-continuity; PO+ = oral intake; NPO = nothing by mouth; IV vit = intravenous vitamin. *P<0.05.
