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Table 1 Median age and serum concentration of Phe, Tyr, Phe/Tyr, TSH, and PRL in adult patients with PKU

From: Serum prolactin as a biomarker for the study of intracerebral dopamine effect in adult patients with phenylketonuria: a cross-sectional monocentric study

  Female Male
Number of patients 90 68
Age [years] (min–max) 32 (18–49) 31 (19–44)
Phe [μmol/l] (min–max) 574 (124–1221) 642 (253–1259)
Tyr [μmol/l] (min–max) 45 (21–169) 55 (24–127)
Phe/Tyr 11.9 (1.6–43.7) 11 (2.4–39.5)
Prolactin [ng/ml] (min–max) 14 (5–75) 9 (4–47)
TSH [mU/l] (min–max) 1.5 (0.6–4.3) 1.1 (0.4–4.9)
  1. TSH normal range 0.35–4.9 mU/l; Prolactin: female: 1.4–24 ng/ml; male: 1.6–10.7 ng/ml