273 Clustering in Central Disorders of Hypersomnolence Supplementary Table 1: Continued. Variable name Definition NT1 (n=752) NT2 (n=200) IH (n=126) Normalized outcome options n Median (IQR) / Percentage n Median (IQR) / Percentage n Median (IQR) / Percentage Length of single attack Mean length of a cataplexy attack 752 Never: 5.5% < 10 seconds: 39.1% 10 seconds – 2 minutes: 48.9% 2 minutes – 10 minutes: 5.6% > 10 minutes: 0.9% 200 Never: 97.5% < 10 seconds: 2.0% 10 seconds – 2 minutes: 0.0% 2 minutes – 10 minutes: 0.0% > 10 minutes: 0.5% 126 Never: 96.8% < 10 seconds: 1.6% 10 seconds – 2 minutes: 0.8% 2 minutes – 10 minutes: 0.0% > 10 minutes: 0.8% 0 = Never, 0.25 = < 10 seconds, 0.5 = 10 seconds – 2 minutes, 0.75 = 2 minutes – 10 minutes, 1 = > 10 minutes Presence – Slurred speech Presence of slurred speech during a cataplexy attack 752 48.8% 200 2.5% 126 0.8% 0 = No, 1 = Yes Presence – Muscle twitches Presence of muscle twitches during a cataplexy attack 752 40.7% 200 2.0% 126 0.0% 0 = No, 1 = Yes Weakness – Whole body Presence of weakness in the whole body during a cataplexy attack 752 52.0% 200 2.5% 126 1.6% 0 = No, 1 = Yes 9
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