Table 1.
Demographic data on 100 patients with narcolepsy
| Gender (%) | Female | 59 |
| Male | 41 | |
| Age at onset (mean ± SD) | 13.2 ± 2.5 | |
| Age at diagnosis (mean ± SD) | 14.5 ± 3.2 | |
| Age at study (mean ± SD) | 15.8 ± 4.3 | |
| Symtoms | ESS score (mean ± SD) | 13.0 ± 4.4 |
| Cataplexy (%) | 85 | |
| Hallucination (%)a | 52 | |
| Sleep paralysis (%) | 43 | |
| Disturbed sleep (%) | 86 | |
| Treatment | Methylphenidate (%) | 87 |
| Modafinil (%) | 21 | |
| Amphetamine (%) | 7 | |
| Antidepressants (%) | 21 | |
| Caffeine tablets (%) | 7 | |
| Sodium oxybate (%) | 39 | |
Abbreviations: SD standard deviation, ESS Epworth Sleepiness Scale
ahypnagogic or hypnopompic hallucinations