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Table 4 Performance and power outcomes stratified by age (A), training volume (B), protein intake (C), and biological sex (D)

From: Sarcopenic Characteristics of Active Older Adults: a Cross-Sectional Exploration

 

Jump height (cm)

Relative power (W/kg)

Velocity (m/s)

Gait speed (m/s)

Cardiorespiratory fitness (Watts/RER)

A.

 Middle

n = 26

20.3 (18.5 to 22.1)

32.0 (30.0 to 33.6)

2.0 (0.0 to 2.0)

0.8 (0.7 to 0.8)

136 (119 to 533)

 Older

n = 27

14.5 (12.5 to 16.5)

26.4 (24.0 to 29.0)

1.8 (1.6 to 1.9)

0.8 (0.7 to 0.8)

85 (65 to 106)

 p value

< .001

.002

.006

.249

.004

B.

 Low

n = 15

14.9 (11.5 to 18.4)

26.0 (22.7 to 29.1)

1.7 (1.6 to 1.9)

0.9 (0.8 to 0.9)

89 (64 to 118)

 Moderate

n = 24

18.8 (16.7 to 21.0)

31.3 (28.8 to 33.7)

2.0 (1.9 to 2.1)

0.8 (0.7 to 0.9)

129 (107 to 151)

 High

n = 14

17.3 (14.4 to 20.3)

29.2 (27.6 to 31.0)

1.9 (1.7 to 2.0)

0.8 (0.7 to 0.9)

114 (82 to 146)

 p value

.660

.275

.279

.271

.092

C.

 Low

n = 8

16.3 (11.2 to 21.3)

27.3 (23.0 to 31.6)

1.9 (1.6 to 2.1)

0.8 (0.7 to 0.9)

107 (65 to 149)

 Moderate

n = 12

17.8 (13.7 to 22.0)

26.0 (19.5 to 32.6)

1.7 (1.4 to 2.1)

0.8 (0.7 to 0.8)

117 (98 to 138)

 High

n = 33

17.6 (16.0 to 19.1)

31.2 (29.6 to 33.0)

2.0 (1.9 to 2.1)

0.8 (0.8 to 0.9)

117 (100 to 129)

 p value

.580

.056

.138

.641

.408

D.

 Males

n = 36

19.0 (17.1 to 21.0)

30.4 (28.4 to 32.5)

2.0 (1.9 to 2.1)

0.8 (0.7 to 0.8)

121 (103 to 139)

 Females

n = 17

14.1 (11.5 to 16.7)

26.9 (24.0 to 30.0)

1.7 (1.6 to 1.8)

0.8 (0.8 to 0.9)

98 (71 to 124)

 p value

.003

.048

.001

.611

.136

  1. Mean (95% CI). (A) Age: middle-age (50–59 years) and older (≥ 60 years). (B) Exercise volume: low (≥ 90–149 min), moderate (≥ 150–299 min), high (≥ 300 min). (C) Protein intake: low (≤ 0.8g/kg BM/day), moderate (≥ 0.8–1.19g/kg BM/ day), high (≥ 1.2g/kg BM/day). (D) Males and females. Abbreviations: RER respiratory exchange ratio, W watts