Table 1 Comparison of demographics and clinical characteristics of patients with OSA and controls.

From: Lumbar spine abnormalities in patients with obstructive sleep apnoea

 

OSA (n = 27)

Controls (n = 29)

P

Age (years)

60/53–68/

41/28–54/

 < 0.01

Gender (male %)

33

28

0.64

BMI (kg/m2)

26.6/23.3–29.6/

24.4/21.0–27.7/

0.05

Smoker (ever %)

26

3

0.01

Hypertension (%)

67

28

 < 0.01

Cardiovascular or cerebrovascular disease (%)

26

3

0.01

Depression (%)

7

3

0.51

Diabetes (%)

22

10

0.22

Dyslipidaemia (%)

48

38

0.44

Asthma (%)

11

7

0.58

COPD (%)

7

3

0.51

Osteoporosis (%)

19

0

0.01

Aspirin use

7

22

0.03

Opioid use

4

0

0.30

ESS

6/4.5–10.5/

6

0.76

TST (min)

394/378–430/

416/362–424/

0.67

SPT (min)

435/406–462/

425/407–437/

0.41

Sleep %

95/89–98/

96/92–99/

0.32

AHI (1/h)

9.4/6.5–14.2/

2.3/1.0–2.8/

 < 0.01

ODI (1/h)

8.4/4.9–11.2/

0.9/0.2–1.7/

 < 0.01

TST90% (%)

1.3/0.2–2.9/

0.0/0.0–0.0/

 < 0.01

  1. AHI apnoea-hypopnoea index, BMI body mass index, COPD chronic obstructive pulmonary disease, ESS Epworth Sleepiness Scale, ODI oxygen desaturation index, OSA obstructive sleep apnoea, Sleep%—sleep efficiency, SPT sleep period time, TST total sleep time, TST90% percentage of total sleep time spent with oxygen saturation below 90%. Data are presented as median /interquartile range/