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Table 1 Serum amino acid concentrations (µmol/l) in Finnish military conscripts (N = 633) at the beginning and end of military service

From: Association between mitochondrial DNA haplogroups J and K, serum branched-chain amino acids and lowered capability for endurance exercise

  Beginning End Change p value*
Glutamine 290.0 (259.0–324.0) 350.0 (306.0–409.0) 60.0 (12.0–119.0) 1.6 × 10− 42
Glycine 272.0 (251.0–294.0) 276.0 (255.0–301.0) 3.0 (− 21.0 to 29.0) 1.6 × 10− 2
Phenylalanine 76.1 (70.2–82.9) 76.7 (71.9–82.9) 0.5 (− 6.9 to 7.3) 0.5
Tyrosine 51.6 (46.6–64.6) 57.1 (51.4–63.7) 4.9 (− 1.1 to 11.2) 3.0 × 10− 31
Isoleucine 57.2 (50.9–63.3) 68.5 (61.0–76.7) 12.0 (2.7–20.8) 5.8 × 10− 68
Leucine 84.8 (75.1–94.5) 94.2 (84.3–105.0) 9.9 (− 3.2 to 21.9) 1.4 × 10− 30
Valine 177.0 (159.0–197.0) 196.0 (174.0–216.0) 19.0 (− 6.0 to 43.0) 1.0 × 10− 30
Total BCAAs 320.0 (288.0–354.0) 360.0 (320.0–399.0) 41.2 (− 3.9 to 82.1) 4.8 × 10− 42
  1. BCAA, branched-chain amino acid. The values are medians (interquartile range)
  2. *Wilcoxon signed-rank test