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Table 2 Energy and protein delivery during the 7-day intervention and ICU stay

From: Supplemental parenteral nutrition versus usual care in critically ill adults: a pilot randomized controlled study

Variable

Usual care (n = 48)

Intervention (n = 51)

p value

7-day intervention period, mean (SD)

 Delivery of energy from EN and PN, kcal

1130 (601)

1712 (511)

<0.0001

 Proportion of energy from EN and PN, %

54 (28)

83 (22)

<0.0001

 Energy from EN and PN, kcal/kg

13 (6.6)

20.6 (6.3)

<0.0001

 Delivery of energy from all sources, kcal

1298 (671)

1892 (540)

<0.0001

 Proportion of energy from all sources, %

62 (31)

92 (22)

<0.0001

 Energy from all sources, kcal/kg

16.8 (8.2)

24.9 (6.4)

<0.0001

 Delivery of protein, g

53.3 (28.5)

85.6 (25.4)

<0.0001

 Proportion of protein, %

51 (25)

86 (23)

<0.0001

 Protein delivery, g/kg

0.6 (0.3)

1.0 (0.3)

<0.0001

ICU stay, mean (SD)

 Delivery of energy from EN and PN, kcal

1212 (676)

1599 (458)

0.001

 Proportion of energy from EN and PN, %

58 (30)

78 (21)

<0.0001

 Energy from EN and PN, kcal/kg

13.9 (7.4)

19.2 (5.7)

<0.0001

 Delivery of energy from all sources, kcal

1331 (720)

1718 (468)

0.002

 Proportion of energy from all sources, %

63 (32)

84 (21)

<0.0001

 Energy from all sources, kcal/kg

15.3 (7.8)

20.6 (5.7)

<0.0001

 Delivery of protein, g

57 (33)

79 (23)

<0.0001

 Proportion of protein, %

54 (29)

80 (22)

<0.0001

 Protein delivery, g/kg

0.7 (0.3)

1.0 (0.3)

<0.0001

  1. EN enteral nutrition, PN parenteral nutrition; kcal kilocalorie, SD standard deviation