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Table 1 Characteristics of adults with at least two subcutaneous neurofibromas (cases) and controls

From: At-Risk Phenotype of Neurofibromatose-1 Patients: A Multicentre Case-Control Study

Clinical features

Cases n = 106

Controls n = 102

p value*

Matching variables

Female gender

62 (59)

62 (61)

 

Age (years)

41 (± 13)

41 (± 14)

 

Clinical variables

   

Familial case

56 (47)

56 (45)

0.76

No cutaneous neurofibromas

13 (12)

4 (4)

0.03

Plexiform neurofibromas

66 (62)

49 (48)

0.04

Large café-au-lait spots (number)

8.6 (± 4.8)

10.1 (± 10.1)

0.07

No freckles

21 (20)

12 (12)

0.11

Lisch nodules

48 (81)

45 (80)

0.89

Scoliosis

46 (43)

42 (41)

0.75

Headache

38 (36)

41 (40)

0.52

Epilepsy

2 (2)

2 (2)

0.97

Learning disabilities

58 (57)

52 (49)

0.26

  1. *p value obtained using chi-square test or Fisher exact or non-parametric Kruskal-Wallis test as appropriate
  2. Data are numbers (%) or means ± 1 standard deviation