The intervention group had significantly increased oral feeding rate ( 2.0 vs. 0.9 mL/min , P < .001 ) , oral volume intake ( 91.1 vs. 48.1 mL/kg/d , P = .001 ) , oral feeds/day ( 6.5 vs. 4.0 , P < .001 ) , and faster time-to-full oral feedings ( 31 vs. 38 d , P = .04 ) compared with controls .