At 12 mo of age , the cognitive score ( mean SD ) on testing with the Bayley Scales of Infant and Toddler Development , Third Edition , was significantly higher in the EF group than in the SF group ( 105.8 9.2 compared with 101.8 8.0 ; P = 0.008 ) but was not significantly different from that in the BFR group ( 106.4 9.5 ; P = 0.73 ) .