There were significant reductions in the parenteral group , as compared with the enteral group , in rates of hypoglycemia ( 44 patients [ 3.7 % ] vs. 74 patients [ 6.2 % ] ; P = 0.006 ) and vomiting ( 100 patients [ 8.4 % ] vs. 194 patients [ 16.2 % ] ; P < 0.001 ) .