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Table 2 Measures of subjects with doubly labeled water data in both 1999 and 2006

From: Longitudinal change in energy expenditure and effects on energy requirements of the elderly

 

1999

2006

1999

2006

 

Men

Men

Women

Women

 

n = 47

n = 47

n = 40

n = 40

Metabolic Parameters

Total energy expenditure (kcal/day)

2482 ± 476a, c

2208 ± 376b

1892 ± 271

1814 ± 337

Resting metabolic rate (kcal/day)

1401 ± 204a, c

1322 ± 182b

1133 ± 157d

1097 ± 148

Resting metabolic rate adjusted for mass (RMR/FFM) (kcal/day)

25.8 ± 2.6a

25.5 ± 2.1b

28.0 ± 3.0

27.6 ± 2.9

AEE (TEE*0.9-RMR) (kcal/day)

832 ± 308a, c

666 ± 243b

568 ± 181

540 ± 277

PAL (TEE/RMR)

1.77 ± 0.23a, c

1.68 ± 0.21

1.68 ± 0.19

1.67 ± 0.31

Demographics

Age, M (SD)

74.7 ± 3.2c

82.2 ± 3.3

74.5 ± 2.8c

82.0 ± 2.8

Height (cm)

172.8 ± 6.9a, c

170.6 ± 6.8b

159.3 ± 6.5c

157.1 ± 6.6

Weight (kg)

80.6 ± 12.3a, c

78.7 ± 13.5b

72.0 ± 11.1c

68.9 ± 10.6

Fat Free Mass (kg)

54.5 ± 7.6a, c

52.0 ± 6.6b

40.6 ± 4.6c

39.9 ± 5.0

BMI (kg/m2)

27.0 ± 4.3

27.1 ± 4.8

28.4 ± 4.5

28.0 ± 4.3

Body Fat Percentage (DXA)

28.5 ± 5.5a

28.9 ± 6.3b

41.3 ± 4.2c

39.6 ± 4.4

  1. a = significant difference between men and women in 1999.
  2. b = significant difference between men and women in 2006.
  3. c = significant difference between 1999 and 2006 data for either men or women.
  4. d = trend for a significant difference between 1999 and 2006 at p = 0.06.
  5. Data presented as Mean ± Standard Deviation.