Skip to main content

Table 2 Means ± standard deviations and proportions (n,%) above clinical cut-off score of the ASRS

From: Hyperactivity in patients with narcolepsy and idiopathic hypersomnia: an exploratory study

Variable

[1]

IH

(n = 5)

[2]

Narcolepsy

(n = 7)

[3]

Total patient

(n = 12)

[4]

Control

(n = 12)

[1,2,4]

Test statistic

p-value

[3,4]

Test-statistic

p-value

[1,2]

Test-statistic

p-value

1. How often do you have trouble wrapping up the final details of a project, once the challenging parts have been done?

80%

57.1%

66.7%

8.3%

ML Chi-square (2) = 10.3

0.006

0.009£

n.s.£

2. How often do you have difficulty getting things in order when you have to do a task that requires organization?

60%

71.4%

66.7%

8.3%

ML Chi-square (2) = 9.8

0.008

0.009£

n.s.£

3. How often do you have problems remembering appointments or obligations?

80%

42.9%

58.3%

8.3%

ML Chi-square (2) = 9.10

0.01

0.027£

n.s.£

4. When you have a task that requires a lot of thought, how often do you avoid or delay getting started?

100%

71.4%

83.3%

41.7%

ML Chi-square (2) = 7.1

0.03

n.s.£

n.s.£

5. How often do you fidget or squirm with your hands or feet when you have to sit down for a long time?

60%

28.6%

41.7%

0%

ML Chi-square (2) = 9.5

0.009

0.037£

n.s.£

6. How often do you feel overly active and compelled to do things, like you were driven by a motor?

20%

0%

8.3%

16.7%

ML Chi-square (2) = 2.3

0.32

n.s.£

n.s.£

ASRS total score

4.0 ± 1.2

2.7 ± 2.0

3.3 ± 1.8

0.8 ± 1.0

(H = 2, N = 24) = 10.4

0.005

 < 0.05$

n.s.$

ASRS total score ≥ 4

80%

42.9%

58.3%

0%

ML Chi-square(2) = 14.4

0.0007

0.004£

n.s.£

  1. Bold are significant results at p < 0.05. Percentages represent the number of subjects above the clinical cut-off of the individual questions
  2. IH Idiopathic Hypersomnia, ASRS Adult ADHD Self-Report Scale (clinical cut-off ≥ 4 of total score, and ≥ 1 for each item); H Kruskal–Wallis ANOVA by ranks; ML Chi-square[degrees of freedom = (2)]: Maximum Likelihood Chi-square
  3. £Fisher exact
  4. $Kolmogorov–Smirnov Test