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Baseline characteristics for NF1 + and NF1- controls
| Characteristics | NF1- controls | NF1 + cases | Case/ control (a) or P-value (b) |
|---|---|---|---|
| Number | 29 | 11 | 1: 2.6 (a) |
| Age distribution | |||
| < 21 | 7 | 4 | 1:1.7 (a) |
| 21–40 | 8 | 4 | 1:2 (a) |
| > 40 | 14 | 3 | 1: 4.6 (a) |
| Mean age (years) | 38.96 | 35.18 | – |
| Sex (female/male*100%) | 48.2% | 45.4% | – |
| Tobacco use | 6 | 2 | 0.6 (b) |
| Alcohol | 5 | 2 | 0.6 (b) |
| Medication history of xerostomia-associated drugs | 6 | 2 | 0.6 (b) |
