Table 1 Baseline characteristics of OSA individuals and non-OSA matched controls.

From: Continuous positive airway pressure therapy for obstructive sleep apnoea and psychotropic drug use: a retrospective observational matched-cohort study

Characteristics

OSA individuals (n = 869)

Matched controls (n = 2,607)

Gender, %

Male

53.62

53.62

Female

46.38

46.38

Age, years

mean ( ± SD)

60.40 ( ± 12.24)

60.28 ( ± 12.76)

median [min; max]

60 [25; 89]

60 [20; 89]

Types of psychotropic drugs, %

Antidepressants

62.14

62.14

Anxiolytics

45.11

45.11

Hypnotics

29.11

29.11

Duration of psychotropic drug treatment, %

1 year

23.01

23.01

≥2 years

76.99

76.99

Comorbidities, %

Diabetes

23.59

23.63

Severe hypertension

11.62

10.78

Stroke

3.34

2.99

Annual number of physician visits, mean (SD)

Visits to the general practitioner

10.01 (6.59)

9.67 (6.55)

Visits to the psychiatrist

0.68 (3.53)

0.61 (4.38)

Annual number of hospitalizations

mean ( ± SD)

1.09 (5.31)

0.98 (4.38)

Type of end of follow-up, %

CPAP discontinuation after one year

15.88

NA

Death

2.30

5.26

Lost to follow-up

0.35

0.54

End of study period

81.47

94.21

  1. OSA: obstructive sleep apnoea, CPAP: continuous positive airway pressure, SD: standard deviation. Excluding sleep recordings.