Table 3 Clinical characteristics of participants with COMISA according to a Low and High AT.

From: Respiratory arousal threshold among patients with isolated sleep apnea and with comorbid insomnia (COMISA)

COMISA

Low AT (n = 17)

High AT (n = 35)

p

Male, n (%)

3 (18)

19 (54)

0.01

Age, years

60 [53–66]

57 [49–65]

0.44

BMI (kg/m2)

32 ± 6

34 ± 6

0.18

AHI, events/h

23 [19–29]

56 [37–76]

 < 0.001

ISI

19 [18–22]

18 [16–21]

0.16

Initial insomnia, n (%)

6 (35)

14 (40)

0.74

Middle insomnia, n (%)

12 (71)

22 (63)

0.58

Terminal insomnia, n (%)

7 (41)

10 (28)

0.36

ISI nocturnal sub-score

7 ± 2

6 ± 2

0.26

  1. Data is shown as mean ± standard deviation or median (25–75%).
  2. BMI body-mass index, ISI Insomnia Severity Index, AT arousal threshold.
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