Table 1.

Protein, fat, carbohydrate, and energy intake during the indicated time periods

Variables	Mean ± SD	Median	Minimum	Maximum
Mean daily intake in the first week of life
Carbohydrate, g/kg	11.20 ± 1.36	11.50	7.06	13.43
Fat, g/kg	3.31 ± 0.59	3.48	2.00	4.72
Protein, g/kg	2.92 ± 0.38	2.90	2.10	3.90
Energy, kcal/kg	88.21 ± 9.53	88.35	66.70	105.11
Mean daily intake in the second week of life
Carbohydrate, g/kg	12.71 ± 1.79	12.89	7.46	16.62
Fat, g/kg	5.33 ± 0.98	5.55	1.63	6.95
Protein, g/kg	3.19 ± 0.72	3.06	1.91	4.66
Energy, kcal/kg	114.65 ± 14.85	116.36	71.74	146.82
Mean daily intake in the third week of life
Carbohydrate, g/kg	13.62 ± 2.08	13.48	9.53	18.06
Fat, g/kg	5.87 ± 0.81	6.00	2.52	7.37
Protein, g/kg	3.34 ± 0.78	3.32	1.77	4.80
Energy, kcal/kg	123.89 ± 15.55	126.05	74.15	157.77
Mean daily intake in the fourth week of life (65 infantsa)
Carbohydrate, g/kg	14.36 ± 2.15	14.17	10.69	19.05
Fat, g/kg	6.17 ± 0.68	6.19	3.47	8.06
Protein, g/kg	3.43 ± 0.69	3.49	1.91	4.64
Energy, kcal/kg	130.22 ± 13.77	129.13	93.85	161.82
Cumulative intake until postnatal day 14
Carbohydrate, g/kg	167.35 ± 18.39	170.31	101.65	195.23
Fat, g/kg	60.47 ± 9.41	62.04	35.76	77.44
Protein, g/kg	42.82 ± 6.98	41.67	28.77	58.61
Energy, kcal/kg	1420.02 ± 146.31	1447.03	969.09	1686.59
Cumulative intake until postnatal day 28 (65 infantsa)
Carbohydrate, g/kg	362.92 ± 35.58	361.93	288.67	445.63
Fat, g/kg	144.35 ± 16.06	146.73	91.90	181.61
Protein, g/kg	90.10 ± 15.70	89.63	56.10	119.89
Energy, kcal/kg	3193.52 ± 283.88	3219.31	2462.58	3904.21
Mean daily intake until a corrected age of 35 weeks’ gestation (65 infantsa)
Carbohydrate, g/kg	13.36 ± 1.40	13.03	10.14	17.45
Fat, g/kg	5.42 ± 0.61	5.52	3.22	7.97
Protein, g/kg	3.33 ± 0.59	3.28	2.02	4.82
Energy, kcal/kg	118.55 ± 11.10	119.88	88.24	154.25

^aTwo of the 67 patients were discharged before postnatal day 28 and a corrected age of 35 weeks’ gestation. SD standard deviation