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Table 1 Participant characteristics of the fittest and weakest participants for each sex separately

From: Evidence for sex-specific intramuscular changes associated to physical weakness in adults older than 75 years

 

Females

Males

Fittest (n = 8)

Weakest (n = 8)

Fittest (n = 8)

Weakest (n = 8)

Handgrip strength (kg)

26.6 ± 2.4a

18.5 ± 1.6b

37.4 ± 2.1a

28.3 ± 1.5b

Time 5 chair stands (s)

11.5 ± 1.0a

21.2 ± 2.0b

11.2 ± 0.7a

16.4 ± 1.8b

400-m walk time (s)

318.7 ± 17.7a

525.3 ± 83.3b

295.8 ± 12.0a

358.7 ± 14.2b

Weight (kg)

70.9 ± 3.5

72.1 ± 3.8

79.4 ± 3.1

81.1 ± 3.7

Length (m)

1.71 ± 0.03

1.71 ± 0.04

1.72 ± 0.04

1.68 ± 0.05

BMI (kg/m.2)

25.7 ± 1.3

27.2 ± 1.2

25.4 ± 1.0

27.1 ± 0.9

Age (years)

78.1 ± 0.7a

81.2 ± 1.2b

79.6 ± 0.6

82.3 ± 1.6

Trunk fat (%)

30.1 ± 1.2a

36.7 ± 1.9b

25.5 ± 0.7

28.1 ± 1.7

Trunk lean mass (%)

68.5 ± 1.2a

62.0 ± 1.8b

72.7 ± 0.8

70.5 ± 1.7

Legs fat (%)

37.6 ± 1.1a

44.4 ± 1.2b

20.7 ± 1.1

25.0 ± 1.5

Legs lean mass (%)

59.1 ± 1.2a

52.4 ± 1.0b

74.9 ± 1.0

71.1 ± 1.2

Trunk fat (%) / legs fat (%)

0.80 ± 0.03

0.83 ± 0.04

1.24 ± 0.07

1.13 ± 0.04

Leptin (ng/ml)

12.8 ± 2.4a

23.1 ± 3.7b

6.8 ± 1.3

12.1 ± 3.2

Adiponectin (μg/ml)

5.7 ± 0.8

6.4 ± 0.7

2.0 ± 0.3

3.2 ± 0.5

  1. Letters a-b denote presence of significant difference among fittest vs. weakest groups for each sex separately. Values are averages ± SEM. All data were normally distributed except time 5 chair stands, legs fat and lean mass (%), trunk fat (%) / legs fat (%) and leptin serum concentration