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Table 1 Percentiles for TSH (mU/L) of children and adolescents in different age groups

From: Pediatric reference intervals for thyroid hormone levels from birth to adulthood: a retrospective study

Age n percentiles
   2.5 10 25 50 75 90 97.5
0 – 1 months 22 0.70 1.00 1.78 3.50 5.03 9.34 18.10
1–12 months 42 1.12 1.53 1.88 2.85 4.43 6.81 8.21
1–5 years 218 0.80 1.30 1.78 2.70 3.70 4.80 6.26
6–10 years 315 0.80 1.20 1.70 2.30 3.10 3.80 5.40
11–14 years 355 0.70 1.10 1.60 2.10 2.80 3.60 4.61
15–18 years 233 0.50 0.94 1.30 1.70 2.35 3.30 4.33