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Table 1 Mean (SD) characteristics of the four subject groups

From: Lifelong endurance training attenuates age-related genotoxic stress in human skeletal muscle

  Young trained Young untrained Old trained Old untrained Group Pvalue
Age (years) 24.2 (3.6)† 22.1 (3.4)† 64.5 (5.5)a 63.8 (3.0)a 0.001
Height (cm) 177 (8.6) 182 (6.5) 175 (6.8) 175 (9.3) 0.786
Mass (kg) 66.2 (10.0) 84.5 (10.8) 71.8 (7.8) 95.5 (24.8)ab 0.037
Lean mass and BMC (kg) 59.3 (6.3) 66.7 (8.9) 59.8 (7.4) 66.1 (6.8) 0.127
Fat mass (kg) 6.9 (1.5) 17.8 (2.1)a 12 (6.4)a 29.41 (12.3)abc 0.001
Body Fat (%) 10.5 (1.5) 21.1 (2.1)a 16.7 (1.8)a 30.8 (11.5)abc 0.001
VO2max (ml.kg-1.min-1) 64 (7.0) 42 (4.1)a 47 (8.3)a 28 (9.8)abc 0.001
  1. adenotes significant difference from young trained; bdenotes significant difference from young untrained; cdenotes a significant difference from old trained. BMC = bone mineral content.