Is the Macronutrient Intake of Formula-Fed Infants Greater Than Breast-Fed Infants in Early Infancy?

Table 6

Studies reporting infant formula intake.

Study	Day 1**; (mL/day)	Day 2**; (mL/day)	Day 3; (mL/day)	Day 4; (mL/day)	Day 5; (mL/day)	Day 6; (mL/day)	Day 7; (mL/day)	>14 days*; (mL/day)	𝑁	Population
[59]								856.0 ± 41.4	10	USA
[73]								845.0 ± 26.9	18	USA
[62]								732.2 ± 29.5	12	Netherlands
[63]	61.1 ± 6.0	139.3 ± 8.9							28	Israel
[74]								755.0 ± 21.0; 743.0 ± 21.0	45; 42	USA, Canada
[75]	190.8 ± 8.3	297.4 ± 11.9	410 ± 11	495 ± 12	538 ± 13	560 ± 14	568 ± 14		d1–3 = 100, d4-5 = 99,; d6 = 97, d7 = 89	UK
[76]								724.5 ± 28.0	12	USA
[68]								765.3 ± 42.3	10	USA
[18]	267.6 ± 28.9	361.9 ± 24.2	412 ± 26	493 ± 32	566 ± 30	555 ± 27	576 ± 29	696.8 ± 30.8	29
Meta-analysis results	170.5 ± 55.8	265.0 ± 67.7						761.8 ± 18

Reported as mean ± SEM.
All intakes were calculated using bottle weighing method.
*Mature milk > 14 days and <6 weeks.
**Meta-analysis was only done where there are at least 3 studies for given day.