Table 3.

Postdischarge Growth According to Diet

Randomized GroupsDifference (95% CI)P ValueReference Group
PDF
(n = 113)
TF
(n = 116)
Breastfed
(n = 65)
Weight (kg)
 Randomization2.17 (0.3)2.18 (0.38)−0.01 (−0.1–0.08).82.10 (0.27)
 6 weeks4.30 (0.67)4.10 (0.65)0.223 (0.044–0.40).023.81 (0.36)*
 12 weeks5.37 (0.74)5.21 (0.79)0.16 (−0.053–0.37).144.90 (0.64)
 26 weeks7.20 (0.91)7.01 (0.90)0.18 (−0.066–0.43).156.68 (0.75)
 9 months8.36 (1.10)7.99 (0.96)0.37 (0.084–0.66).0127.92 (0.89)§
 18 months10.20 (1.28)10.10 (1.17)0.094 (−0.26–0.44).60
Weight SD score
 9 months−0.86 (1.20)−1.22 (1.12)0.36 (0.036–0.69).03−1.31 (0.87)
 18 months−1.01 (1.17)−1.10 (1.09)0.095 (−0.23–0.42).6
Length (cm)
 Randomization44.1 (2.2)44.0 (2.2)0.1 (−0.5–0.7).744.6 (1.8)
 6 weeks53.5 (2.4)52.5 (2.3)1.06 (0.42–1.70).00152.0 (2.2)
 12 weeks58.0 (2.5)57.4 (2.6)0.65 (−0.039–1.35).06456.7 (2.2)
 26 weeks65.8 (2.8)65.1 (2.3)0.72 (0.017–1.43).04564.9 (2.6)#
 9 months70.9 (3.2)69.7 (2.4)1.10 (0.31–1.89).00669.7 (2.8)**
 18 months80.6 (3.4)79.7 (2.7)0.82 (−0.039–1.69).061
Length SD score
 9 months−0.28 (1.26)−0.64 (0.98)0.35 (0.037–0.67).029−0.93 (0.99)3-164
 18 months−0.28 (1.16)−0.60 (0.90)0.32 (0.025–0.61).034
Occipto-frontal head circumference (cm)
 Randomization32.3 (2.2)32.5 (1.6)−0.2 (−0.7–0.3).532.4 (1.9)
 6 weeks38.0 (1.3)37.9 (1.3)0.10 (−0.25–0.45).638.0 (1.4)
 12 weeks40.0 (1.4)40.2 (1.4)−0.18 (−0.57–0.20).3540.4 (1.5)
 26 weeks43.3 (1.6)43.4 (1.5)−0.096 (−0.52–0.33).6543.8 (1.6)
 9 months45.6 (1.7)45.6 (1.5)0.0011 (−0.45–0.46).9945.9 (1.6)
 18 months47.6 (1.8)47.9 (1.9)−0.38 (−0.90–0.13)0.14
Occipto-frontal head circumference SD score
 9 months−0.30 (1.44)−0.20 (1.19)−0.10 (−0.47–0.27)0.60−0.15 (1.25)
 18 months−0.88 (1.35)−0.58 (1.38)−0.30 (−0.69–0.091)0.13
  • Results are mean (SD).

  • * P < .001 ANOVA breast versus formula groups: BF versus PDF P < .001, BF versus TFP = .01

  • P = .001 ANOVA breast versus formula groups: BF versus PDF P = .001, BF versus TFP = .03

  • P = .003 ANOVA breast versus formula groups: BF versus PDF P = .001, BF versus TFP = .05

  • § P = .008 ANOVA breast versus formula groups: BF versus PDF P = .02, BF versus TFP = .9

  • P < .001 ANOVA breast versus formula groups: BF versus PDF P < .001, BF versus TFP = .3

  • P = .006 ANOVA breast versus formula groups: BF versus PDF P = .003, BF versus TFP = .2

  • # P = .05 ANOVA breast versus formula groups: BF versus PDF P = .06, BF versus TFP = .9

  • ** P = .009 ANOVA breast versus formula groups: BF versus PDF P = .02, BF versus TFP = .9

  • F3-164 P = .008 ANOVA breast versus formula groups: BF versus PDF P = .009, BF versus TFP = .3