Table 4

Frequency of non-tumour complications occurring in 523 patients with NF1 in a review of patient genetic clinic and hospital notes carried out in NW England

No of patients (%)
Scoliosis requiring surgery11 ‚ÄČ(2.6)
Less severe50 (12.1)
Pseudoarthrosis requiring surgery8 (1.9)
Less severe2 (0.4)
Epilepsy secondary to NF13 (0.7)
Unknown cause20 (4.9)
Aqueductal stenosis6 (1.2)
Renal artery stenosis3 (0.6)
Delayed/precocious puberty7 (1.4)
Congenital glaucoma3 (0.6)