Table 5.
—Comparisons of excessive daytime sleepiness, high level of depression, and low health status with IHSS total score and weighted IHSS total score.
| Variable | ESS Score | BDI-II Score | EQ-5D-VAS Score | ||||||
|---|---|---|---|---|---|---|---|---|---|
| < 16 (n = 120), n (%) | ≥ 16 (n = 104), n (%) | P | < 20 (n = 164), n (%) | ≥ 20 (n = 43), n (%) | P | ≥ 60 (n = 134), n (%) | < 60 (n = 62), n (%) | P | |
| Sex | .49 | .10 | .75 | ||||||
| Men | 35 (29.17) | 26 (25.00) | 52 (31.71) | 8 (18.60) | 36 (26.87) | 18 (29.03) | |||
| Women | 85 (70.83) | 78 (75.00) | 112 (68.29) | 35 (81.40) | 98 (73.13) | 44 (70.97) | |||
| Age, in years | 31.72 (± 12.53) | 32.63 (± 12.07) | .58 | 33.40 (± 12.11) | 29.87 (± 11.66) | .09 | 32.92 (± 12.03) | 32.88 (± 12.62) | .98 |
| Disease duration, y | 13.88 (± 10.94) | 13.99 (± 11.88) | .94 | 14.67 (± 10.99) | 12.52 (± 11.85) | .26 | 15.23 (± 11.33) | 13.08 (± 11.83) | .23 |
| Treatment | .008 | .14 | |||||||
| No | 79 (65.83) | 85 (81.73) | 119 (72.56) | 36 (83.72) | 96 (71.64) | 46 (74.19) | .71 | ||
| Yes | 41 (34.17) | 19 (18.27) | 45 (27.44) | 7 (16.28) | 38 (28.36) | 16 (25.81) | |||
| IHSS total scorea | 25.90 (± 9.23) | 34.01 (± 7.70) | < .0001 | 28.52 (± 9.45) | 35.23 (± 7.12) | < .0001 | 28.16 (± 8.90) | 34.35 (± 7.83) | < .0001 |
| Weighted IHSS total scorea | 15.97 (± 13.22) | 32.68 (± 10.06) | < .0001 | 57.48 (± 52.30) | 112.56 (± 32.36) | .002 | 459.03 (± 456.79) | 957.31 (± 471.86) | < .0001 |
aQuantitative variables are expressed as mean (± SD). BDI-II = Beck Depression Inventory II, EQ-5D = European Quality of Life-5 Dimensions questionnaire, ESS = Epworth Sleepiness Scale, IHSS = Idiopathic Hypersomnia Severity Scale, VAS = visual analog scale.