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Table 1 Clinico-pathologic and molecular features of gliomas, MPNST, and neurofibromas

From: Telomere alterations in neurofibromatosis type 1-associated solid tumors

  Gliomas MPNST Neurofibromas
(N = 70) (N = 152) (N = 77)a
Mean age (SD) 20.6 (13.8) 38.9 (17.3) 30.6 (17.7)
Gender (%)
 Male 52.9 49.0 48.1
 Female 47.1 51.0 52.0
Grade (%)
 High 32.9 88.7
 Low 67.1 11.3
ALT status (%)
 Positive 32.9 16.6
 Negative 67.1 81.5
 Missing 2.0
Telomeres (%)
 Normal 24.3 9.9
 Short 1.4 9.3
 Long 17.1 0.7
 ALT 32.9 16.6
 Missing 24.3 63.6
NF status (%)
 NF1 61.6
 Unknown 38.4
  1. aMultiple samples tested per patient (77 patients with a mean of 2.4 samples per individual)