Table 2 Nutritional outcomes

Montecalvo et al. 1992 [20]

Volume of feeding delivered (mean, SD)

Mean calories delivered per day (Mean, SD)

Daily goal caloric intake (Mean, SD)

(1209 +/- 344 ml/day)

(1466 +/- 398 Kcal/day)

(61 +/- 17%)

(963 +/- 525 ml/day)*

(1182 +/- 603 Kcal/day)*

(46.9 +/- 25.9%)*

Kortbeek et al. 1999 [21]

Time to tolerate full feeds (mean, SD)

34 +/- 7.1 hours

43.8 +/- 22.6 hours*

Kearns et al. 2000 [22]

Daily calories (mean, SEM)

Daily calories (mean, SEM)

Proportion of energy delivered (mean, SEM)

18 +/- 1 kcal/Kg/day

1157 +/- 86 Kcal/day

69 +/- 7%

12 +/- 2 kcal/Kg/day*

812 +/- 122 Kcal/day*

47 +/- 7% *

Boivin and Levy 2001 [29]

Time to achieve goal rate (mean)

33 hours

32 hours

Esparza et al. 2001 [24]

Average daily percentage of goal feeding

66%

64%

Day et al. 2001 [23]

Protein intake (mean, SD)

Delivered calories at day 10 (Mean, SD)

Proportion of delivered calories (Mean, SD)

105 +/- 22g

2147 +/- 625 Kcal

76 +/- 39%

91 +/- 27g

1491 +/- 768 Kcal

86 +/- 23%

Heyland et al. 2001 [25]

No nutritional outcomes reported

N/A

N/A

Davies et al. 2002 [31]

Time to start feeds (mean, SEM)

81.2 +/- 13.4 hours

54.4 +/- 4.9 hours

Montejo et al. 2002 [26]

Daily caloric intake (mean, SD)

1286 +/- 344 kcal/day

1237 +/- 342 kcal/day

Neumann and DeLegge 2002 [27]

Time to start feeding from initial attempt

(mean, SD)

27 +/- 22.6 hours

11.2 +/- 11 hours*

Eatock et al. 2005 [32]

No difference in time to start feeding between groups

N/A

N/A

Kumar et al. 2006 [35]

Serum pre-albumin (Mean, SD)

All patients achieved the goal of 1800 Kcal within 7 days of feeding start (no difference)

11.10 +/- 5.28 mg/dL

17.55+/-4.50 mg/dL (P = 0.002)

Hsu et al. 2009 [33]

Daily caloric intake (Mean, SD)

Time to goal rate (Mean, SD)

Proportion of daily goal calorie feeds (Mean, SD)

27.1 +/- 7.6 Kcal/Kg/day

32.4 +/- 27.1 hours

95 +/- 5%

23.5 +/- 8.8 Kcal/Kg/day*

54.5 +/- 51.4 hours*

83 +/- 6%*

White et al. 2009 [37]

Average daily energy deficit (median, IQR)

Time to reach goal from initiation of feeds (median, IQR)

79 (2-340) Kcal

4.1 (3.8-5.4) hours

149 (74-369) Kcal

4.1 (3.6-5.3) hours

Acosta-Escribano et al. 2010 [30]

Proportion of mean efficacious volume

92 +/- 7%

84 +/- 15%*

Zeng et al. 2010 [28]

No nutritional outcomes reported.

N/A

N/A

Davies et al. 2012 [10]

Daily energy delivered, (mean, SD)

Proportion of energy requirement delivered for study period (mean, SD)

1497 +/- 521 Kcal

72% +/- 21%

1444 +/- 485 Kcal

71% +/- 19%

Huang et al. 2012 [34]

Proportion of energy intake (mean, SD)

90.4 +/- 20.5%

76.2 +/- 24.9%*

Singh et al. 2012 [36]

No nutritional outcomes reported.

N/A

N/A