TABLE 1.
Demographic and clinical characteristics of NF1 patient cohort.
| Characteristics | Patients, n (%) |
|---|---|
| Gender | |
| Male | 32 (32) |
| Female | 68 (68) |
| Age categories | |
| <30 | 13 (13.0) |
| 30–40 | 37 (37.0) |
| 41–50 | 26 (26.0) |
| 51–60 | 12 (12.0) |
| >60 | 12 (12.0) |
| Mean (years) ± SD | 42.85 ± 12.89 |
| Number of CNFs a | |
| <20 | 18 (18.8) |
| 20–99 | 29 (30.2) |
| 100–500 | 18 (18.8) |
| >500 | 31 (32.3) |
| Mean ± SD | 20–99 ± 1 category |
| Facial CNFs a | |
| Yes | 61 (61.6) |
| No | 38 (38.4) |
| NF1 severity a | |
| Grade 1 | 10 (10.3) |
| Grade 2 | 39 (40.2) |
| Grade 3 | 38 (39.2) |
| Grade 4 | 10 (10.3) |
| Mean ± SD | 2.5 ± 0.8 |
| NF1 visibility | |
| Grade 1 | 49 (49.0) |
| Grade 2 | 30 (30.0) |
| Grade 3 | 21 (21.0) |
| Mean ± SD | 1.7 ± 0.8 |
| Itch symptoms | |
| Yes | 42 (42.0) |
| No | 58 (58.0) |
Abbreviations: cNF, cutaneous neurofibromas; NF1, neurofibromatosis; SD, standard deviation.
a
Decreased number of respondents due to missing data or non‐response (n = 97–99).