Table 6.

Energy efficiency in infants fed formula (SF, α-lac-EW or CGMP-RW) * during the intervention, ITT population.

		SF		α-lac-EW		CGMP-RW	p-Value 1
	n		n		n
Weight gain, g/100 kcal
2–4 mo	69	4.23 ± 1.06 2	74	4.47 ± 0.85	71	4.40 ± 0.78	0.28
4–6 mo	66	3.14 ± 0.95	67	2.96 ± 0.84	67	3.24 ± 0.87	0.19
2–6 mo	64	3.72 ± 0.82	67	3.76 ± 0.71	67	3.88 ± 0.57	0.39
Weight gain, g/g protein
2–4 mo	69	1.92 ± 0.48 a,b	74	2.56 ± 0.49	71	2.48 ± 0.44	<0.0001
4–6 mo	66	1.43 ± 0.43 a,b	67	1.70 ± 0.49	67	1.83 ± 0.5	<0.001
2–6 mo	64	1.69 ± 0.38 a,b	67	2.16 ± 0.41	67	2.19 ± 0.33	<0.0001
Length gain, mm/100 kcal
2–4 mo	69	0.15 ± 0.03	74	0.16 ± 0.03	71	0.15 ± 0.03	0.094
4–6 mo	66	0.11 ± 0.04	67	0.11 ± 0.03	67	0.11 ± 0.03	0.93
2–6 mo	64	0.13 ± 0.02	67	0.14 ± 0.02	67	0.13 ± 0.02	0.41
Length gain, mm/g protein
2–4 mo	69	0.068 ± 0.01 a,b	74	0.092 ± 0.02	71	0.082 ± 0.02	< 0.001
4–6 mo	66	0.048 ± 0.017 a,b	67	0.062 ± 0.02	67	0.061 ± 0.02	<0.001
2–6 mo	64	0.059 ± 0.01 a,b	67	0.078 ± 0.01	67	0.075 ± 0.01	<0.001

* SF, standard formula; α-lac-EW, experimental formula with α-lactalbumin-enriched whey; CGMP-RW, experimental formula with reduced CGMP whey. ¹ FF groups compared by one-way ANOVA, post hoc Bonferroni. ² Mean ± SD (all such values). ^a SF vs. α-lac-EW. ^b SF vs. CGMP-RW.