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Table 2 Comparing the studied groups regarding amino acids

From: Changes in tryptophan and phenylalanine in chronic HCV patients treated with direct acting antiviral (sofosbuvir)

Variable Untreated HCV cases (n = 40) Treated HCV cases (n = 40) Controls (n = 20) KW test p
Mean ± SD Range Mean ± SD Range Mean ± SD Range
Tryptophan (μg/ml) 12.8 0.66 11.9–14.45 7.08 2.46 3.42–12.22 12.8 0.55 3.42–13.9 69.9 < 0.001 (HS)
Phenylalanine (ng/ml) 1.23 0.41 0.57–2.24 2.46 0.29 2.07–2.99 0.93 0.31 0.41–1.51 71.9 < 0.001 (HS)
HDRS 6.5 5.30 0–24 34.7 9.37 13–50 3.0 3.89 0–16 73.8 < 0.001 (HS)
  1. HS highly significant