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Table 1 Characteristics of study population

From: Identification of serum biomarkers for aging and anabolic response

  Young Old P value
Age (yr) 27 ± 5 (53) 68 ± 7 (39) <0.001
Height (cm) 175 ± 7 (53) 175 ± 7 (39) 0.9683
Weight (kg) 74.9 ± 10.0 (53) 84.3 ± 13.1 (39) 0.0003
Body mass index (%) 24 ± 3 (53) 27 ± 4 (39) <0.001
Serum total testosterone (ng/dl) 586 ± 190 (53) 339 ± 95 (39) <0.001
Population Houston, TX N/A 358 ± 86 (20) N/A
Population Boston, MA 586 ± 190 (53) 320 ± 103 (19) N/A
Lean Body Mass (mg/cm 2 ) 57336 ± 7209 (52) 58545 ± 7033 (39) 0.4245
  1. Baseline characteristics of subjects evaluated in this study are shown. The number of subject used for each baseline value is indicated in parenthesis. The values are displayed as plus/minus standard deviation. The p-values are based on a Student t-test.