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. Author manuscript; available in PMC: 2011 May 3.
Published in final edited form as: Am J Med Genet A. 2010 Mar;152A(3):591–600. doi: 10.1002/ajmg.a.33268

Table V.

Clinical diagnosis, sample size and age distribution of participants with gene mutations affecting the Ras/MAPK signaling pathway

Clinical diagnosis Gene n Age range Mean age
Noonan syndrome
PTPN11 50 1.0–24.5 7.6
SOS1 11 3.2–16.9 10.3
RAF1 3 1.7–9.8 4.8
KRAS 2 1.4–3.8 2.6
BRAF 1 14.3 14.3
CFC syndrome
BRAF 19 1.1–21.6 9.1
MEK1 1 9.8 9.8
MEK2 2 10.4–14.3 12.3