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. 2021 Jan 28;11:2457. doi: 10.1038/s41598-020-79697-x

Table 2.

Sleep quality, daytime sleepiness, and insomnia in patients with different levels of asthma control.

Asthma control levels p value
Well-controlled
N = 67
Partially controlled
N = 55
Uncontrolled
N = 78
PSQI, global score 5.12 ± 3.2 9.07 ± 3.9 9.69 ± 3.9 < 0.001
Good sleep quality, global PSQI ≤ 5 42 (63%) 12 (22%) 14 (18%) < 0.001
Poor sleep quality, global PSQI > 5 25 (37%) 43 (78%) 64 (82%)
ESS score 3.69 ± 4.06 6.78 ± 4.2 7.91 ± 4.85 < 0.001
Excessive daytime sleepiness, ESS > 10 7 (10%) 15 (27%) 28 (36%) 0.002
Berlin Questionnaire score 0.94 ± 0.88 1.64 ± 0.95 1.51 ± 1.0 < 0.001
Low risk for OSA 49 (73%) 24 (44%) 41 (53%) 0.003
High risk for OSA 18 (27%) 31 (56%) 37 (47%)
ISI score 4.96 ± 5.75 10.69 ± 6.73 12.91 ± 6.52 < 0.001
Insomnia, ISI ≥ 10 13 (19%) 27 (49%) 53 (68%) < 0.001

PSQI Pittsburgh sleep quality index, ESS Epworth sleepiness scale, OSA obstructive sleep apnea, ISI insomnia severity index.