Table 1: Demographic data, results of polysomnographic tests and metabolic characteristic of patients with OSA (data expressed as mean ± SD).

Patients number48

Age
(years, mean, [range])
58.5 
[36–82]

Sex (female/male)15 : 33

Smokers
(,%)

35%

Mean pack years 5.80 ± 10.54

BMI (kg/m2)31.68 ± 6.75

Obesity
(%)

56%

AHI
(h−1)
52.92 ± 21.02
(8–110)

sAHI
(%)

92%

ODI31.11 ± 18.51

SpO2
 Lowest
 Mean

76.06 ± 8.40%
90.88 ± 3.20%

ESS12.23 ± 5.23
(2–21)

WBC
(×103/L)
7.08 ± 1.78

Hb
(g/L)
14.51 ± 1.34

CRP
(mg/L)
4.35 ± 6.45

Total cholesterol
(mg/dL)
196.02 ± 38.73

HDL-C (mg/dL)50.10 ± 14.03

TG
(mg/dL)
160.4 ± 124.03

Hypertension
(%)

71%

Diabetes
(%)

17%

Ischemic heart disease
(%)

21%

COPD
(%)

8%

Metabolic syndrome
56%

AHI: apnea/hypopnea index; sAHI: severe OSA; ODI: oxygen desaturation index; ESS: Epworth Sleepiness Scale; SpO2: peripheral capillary oxygen saturation; HDL-C: high density lipoprotein cholesterol; TG: triglycerides; COPD: chronic obstructive pulmonary disease.