Table 2 Studies suiting RDA inclusion criteria and included in protein spread theory analysis

Study

% Spread (g/kg/day)

Study

% Spread (g/kg/day)

Abete, 2009[12]

66.7

Ballesteros-Pomar, 2009[45]

34.9

Aldrich, 2011[13]

47.4

Brinkworth, 2004[46]

19.6

Baer, 2011[14]

73.5

Delbridge, 2009[47]

17.3

Claessens, 2009[15]

121.3

De Souza, 2012[48]

11.4

Clifton, 2008[16]

45.9

Gilbert, 2011[49]

19

Demling, 2000[17]

72.3

Hinton, 2010[50]

24.4

Due, 2004[18]

75.6

Johnston, 2004[51]

98.8

Evans, 2012[19]

70.3

Larsen, 2011[52]

43

Farnsworth, 2003[20]

72.5

Luscombe, 2002[53]

71.6

Flechtner-Mors[21]

59.7

Luscombe, 2003[54]

69.9

Frestedt, 2008[22]

32.2

Magrans-Courtney, 2011[55]

20.2

Hursel, 2009[23]

52.6

Rizkalla, 2012[56]

42.9

Josse, 2011[24]

73.6

Sacks, 2009[57]

13.9

Larsen, 2010[25]

24.4

Sargrad, 2005[58]

31.4

Lasker, 2008[26]

77.5

Sukumar, 2011[59]

34.2

Layman, 2003[27]

86.1

Wycherley, 2010[60]

67.7

Layman, 2005[28]

81.8

Layman, 2009[29]

70.3

Lejeune, 2005[30]

24.3

Leidy, 2007[31]

72

Lockwood, 2008[32]

51.6

Mahon, 2007[33]

39.7

McAuley, 2005[34]

33.3

McMillan-Price[35]

47.9

Meckling, 2007[36]

62.5

Mojtahedi, 2011[11]

32.1

Morenga, 2010[37]

27.8

Navas-Carretero, 2011[38]

27.4

Nickols-Richardson, 2005[39]

40.5

Noakes, 2005[40]

75.4

Papakonstantinou[41], 2010

92.4

Parker, 2002[42]

73.1

Skov, 1999[2]

68.5

Te Morenga, 2011[43]

39

Westerterp-Plantenga, 2004[44]

32.6

Average% Spread (g/kg/day):

58.4

Average% Spread (g/kg/day):

38.8

Average% Spread (g/kg/day): RDA only

52

Average% Spread (g/kg/day): RDA only

30.3

Average% Spread (g/kg/day): Urinary Biomarker only

62.7

Average% Spread (g/kg/day): Urinary Biomarker only

41.6