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. Author manuscript; available in PMC: 2009 Oct 1.
Published in final edited form as: Aging Cell. 2008 Oct;7(5):681–687. doi: 10.1111/j.1474-9726.2008.00417.x

Table 3.

Macronutrient intake of the three groups in the cross-sectional study

Low-protein diet group (n = 28) CR diet group (n = 28) Western diet group (n = 28) Among-group p
Energy (kcal day–1) 1980 ± 5351 1772 ± 3511 2505 ± 522 0.0001
Protein (g kg–1 per day) 0.76 ± 0.21,2 1.73 ± 0.41 1.24 ± 0.3 0.0001
Protein (% of energy) 9.6 ± 3.31,2 23.5 ± 5.71 15.9 ± 3.0 0.0001
Fat (% of energy) 41.3 ± 102,3 28.1 ± 9.2 33.6 ± 5.7 0.0001
SFA (% of energy) 7.8 ± 4.43 5.6 ± 2.71 10.9 ± 2.6 0.0001
MUFA (% of energy) 19.9 ± 5.61,2 12.3 ± 5.8 12.8 ± 2.4 0.0001
PUFA (% of energy) 10.5 ± 4.61,4 7.6 ± 2.3 6.8 ± 2.1 0.001
Carbohydrate (% of energy) 48.8 ± 8.6 47.3 ± 12.3 49.7 ± 13.0 NS

All values are mean ± standard deviation. SFA, saturated fatty acids; MUFA, monounsaturated fatty acids; PUFA, polyunsaturated fatty acids.

1

Significantly different from Western diet group: p ≤ 0.002

3

Significantly different from Western diet group: p ≤ 0.05.

2

Significantly different from the CR diet group: p ≤ 0.0001

4

Significantly different from the CR diet group: p ≤ 0.05.