Table 1 Study characteristics

From: Conserved and species-specific molecular denominators in mammalian skeletal muscle aging

  

Mice

Rats

Rhesus

Humans

Young

n

5

5

6

5

Age (m/y)

5 month

5 month

6.00 ± 0.00 years

31.2 ± 0.86 years

Height, cm

173.4 ± 4.0

 

BW (g/kg)

29.93 ± 0.85

243.1 ± 8.2

8.50 ± 0.21

78.40 ± 7.28

BMI (kg/m2)

25.86 ± 2.23

Fat mass (%)

19.61 ± 0.93

25.00 ± 0.22

20.13 ± 4.65

Lean mass (%)

59.44 ± 0.39

65.70 ± 0.21

79.87 ± 4.64

MT (cm)

1.91 ± 0.08

Middle

n

5

5

6

4

Age (m/y)

17 months

17 months

16.48 ± 0.31 years

46.0 ± 0.71 years

Height (cm)

176.2 ± 2.2

BW (g/kg)

41.67 ± 2.11*

401.0 ± 14.6*

13.31 ± 0.33*

87.50 ± 7.15

BMI (kg/m2)

28.28 ± 1.91

Fat mass (%)

24.30 ± 0.57*

30.68 ± 0.31*

21.07 ± 6.68

 

Lean mass (%)

58.25 ± 0.17*

61.04 ± 0.33*

78.92 ± 6.68

MT (cm)

1.71 ± 0.09

Old

n

5

5

6

7

Age (m/y)

28 months

30 months

26.83 ± 0.22 years

74.0 ± 4.38 years

Height (cm)

169.9 ± 2.2

BW (g/kg)

46.55 ± 7.30*

417.1 ± 15.7*

11.12 ± 0.68*

85.86 ± 3.16

BMI (kg/m2)

29.74 ± 0.99

Fat mass (%)

13.76 ± 0.36*

30.41 ± 0.31*

19.43 ± 5.23

Lean mass (%)

60.91 ± 0.18*

61.19 ± 0.32*

70.32 ± 11.4

MT (cm)

1.35 ± 0.13*

  1. Values are mean ± SEM. Fat mass and lean mass data from mice (young: n = 20, middle: n = 15, old: n = 11), rats (young: n = 29, middle: n = 27, old: n = 21), monkeys (young: n = 6, middle: n = 6, old: n = 3)
  2. m/y months/years, BW body weight, BMI body mass index, MT muscle thickness
  3. *p < 0.05 compared to young