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Table 2 Main clinical features distribution and prevalence for age groups

From: Clinical and molecular characterization of 112 single-center patients with Neurofibromatosis type 1

Age groups in years No ≥6CALs Ferecling ≥2 CNFs SCNFs Plexiform neurofibromas ≥2Lisch nodules Dysmorphic features
   No % No % No % No % No % No % No %
0–1 6 6 100 2 33.3 1 16.6 1 16.6 0 0 1 16.6
2–4 11 9 81.8 3 27.3 2 18.1 0 1 9 1 9 5 45.4
5–18 78 74 94.8 13 16.6 8 10.2 4 5 1 1.3 7 9 4 5.2
19–30 9 9 100 4 44.4 6 66.6 2 22 0 1 11 0
31–60 8 5 62.5 1 12.5 5 62.5 1 12.5 2 25 2 25 0
Total 112 103 92 23 20.5 22 19.6 8 7.1 4 3.5 11 10 10 9
  1. In our sample main clinical features showed an equal sex ratio (Fig. 1)