Tables
# Patients 8 (6 male) Age years, mean (range) 9.5 (5.0 - 15.0) Weight, kg, mean (range) 39.5 (28.0 - 52.9) BMI, kg/m2 20.3 (18 - 25.3) Excessive daytime sleepiness 8 (100%) Cataplexy 5 (62.5%) Night wakenings 2 (25.0%) Hallucinations 3 (37.5%) Weight gain 4 (50.0%) Behaviour change 4 (50.0%) H1N1 vaccination 2 (25.0%) MRI, normal 7 (87.5%) MSLT, abnormal 7/7 * Ferritin, low 4 (50.0%) HLA DQB1*0602, positive 6/6 ** MRI= Magnetic Resonance Imaging, MSLT=Multiple Sleep Latency Test, *MSLT pending for one patient **HLA pending for two patients