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Table 2 Association of plasma free amino acid profiles with lymph nodes metastasis status in gastric cancer patients

From: Perioperative dynamics and significance of amino acid profiles in patients with cancer

  Lymph node metastasis  
  Negative Positive P-value
Asp 40.43 ± 8.84 39.65 ± 15.42 0.84
Thr 573.42 ± 151.47 482.93 ± 133.95 0.03*
Ser 184.48 ± 51.23 166.08 ± 54.06 0.22
Glu 143.20 ± 44.02 142.54 ± 51.59 0.96
Gly 314.26 ± 108.72 261.57 ± 85.22 0.06
Ala 402.78 ± 144.67 338.41 ± 115.88 0.08
Cys 57.73 ± 16.46 55.65 ± 19.27 0.69
Val 243.34 ± 59.76 223.94 ± 51.90 0.22
Met 34.85 ± 9.21 31.90 ± 10.38 0.30
Ile 77.43 ± 16.51 78.43 ± 26.45 0.88
Leu 152.75 ± 36.54 145.56 ± 37.56 0.50
Tyr 77.68 ± 33.21 75.80 ± 34.56 0.85
Phe 99.41 ± 22.06 90.22 ± 24.55 0.17
Lys 199.46 ± 48.14 175.67 ± 51.18 0.10
His 84.32 ± 22.81 71.23 ± 15.60 0.02*
Arg 113.70 ± 31.05 101.86 ± 40.30 0.26
Pro 96.68 ± 32.29 95.43 ± 41.45 0.91
NH3 139.91 ± 61.67 148.00 ± 60.06 0.64
NEAAs 1419.42 ± 328.68 1253.62 ± 355.51 0.10
EAAs 1380.65 ± 280.45 1213.08 ± 298.31 0.04*
BCAAs 473.52 ± 106.55 447.93 ± 107.62 0.40
GAAs 2213.05 ± 483.57 1923.79 ± 486.47 0.04*
TAAs 2939.98 ± 613.49 2614.70 ± 640.08 0.07
  1. The plasma levels of amino acids were expressed in μM.
  2. *Stands for p-values less than 0.05.