Table 3. Clinical characteristics of atypical and plexiform neurofibromas.

Characteristic	ATRX positive (N = 28)	ATRX mosaic (N = 2)	Total (N = 30)
Sex—no. (%)
Male	10 (36)	1 (50)	11 (37)
Female	18 (64)	1 (50)	19 (63)
Age at diagnosis—yr
Median	21	11	23
Range	7–67	4–27	4–67
Age Category—no. (%)
<18 yo	9 (32)	1 (50)	10 (33)
18 to 65 yo	18 (64)	1 (50)	19 (63)
>65 yo	1 (4)	0	1 (4)
NF Status—no. (%)
NF1	26 (93)	2 (100)	28 (94)
Sporadic	1 (3)	0	1 (3)
Not Reported	1 (3)	0	1 (3)
Tumor Type—no.(%)
Atypical Neurofibroma	9 (32)	0	9 (30)
Plexiform Neurofibroma	19 (68)	2 (100)	21 (70)

There were no ATRX negative patients in the above tumor types.