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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