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Table 2 Nutrition therapy

From: Energy delivery guided by indirect calorimetry in critically ill patients: a systematic review and meta-analysis

Study/year

IC device

REE targets, kcal/day, mean ± SD

Mean energy delivered/day, kcal/day, mean ± SD

Mean daily energy balance, kcal, mean ± SD

Mean protein delivered/day, g/day

Percent delivered energy over measured REE, %

IC

PE

IC

PE

IC

PE

IC

PE

IC

PE

Singer 2011 [7]

Deltatrac II

1976 ± 468

1838 ± 468

2086 ± 460

1480 ± 356

186 ± 206

− 312 ± 481

76 ± 16

53 ± 16

106

81

Landes 2016 [22]

Colorado Med Tech Metascope

1976 ± 481

2067 ± 341

NR

NR

87% ± 12%b

77% ± 17.6%b

NR

NR

87

77

Allingstrup 2017 [20]

COSMED Quark RMR

2069 ± 418

1887 ± 422

1877 ± 509

1061 ± 537

− 66 ± 112

− 787 ± 659.3

1.5 ± 0.4b

0.5 ± 0.3b

91

56

Gonzalez-Granda 2018 [21]

COSMED Quark RMR

21 ± 6a

25a

20 ± 6a

20 ± 8a

98% ± 8%b

79% ± 29%b

78 ± 18

59 ± 21

98

79

Shi 2019 [13]

Medgraphics, CCM

1309 ± 225

1652 ± 209

NR

NR

NR

NR

NR

NR

NR

NR

Zhao 2019 [15]

Medgraphics, CCM

1443 ± 155

1615 ± 160

NR

NR

NR

NR

NR

NR

NR

NR

Singer 2020 [14]

Deltatrac II, COVX and Quark

1953 ± 580

1942 ± 360

1746 ± 755

1301 ± 535

− 282 ± 896

− 885 ± 535

77 ± 53

62 ± 34

89

67

Yang 2016 [23]

Engestrom Carestation

1900 ± 480

1481 ± 260

NR

NR

NR

NR

NR

NR

NR

NR

  1. IC indirect calorimetry, ICU intensive care unit, NR not reported, PE predictive equation
  2. akcal/kg/day
  3. bPercent of reaching the target
  4. cg/kg/day