Table 1.

Characteristics of study subjects with OSA at inclusion.

Characteristics	Subjects with OSA (n =139)
	Mean±SD	Min-Max	95% CI
Anthropometric parameters
Age, years	51.3±16.4	35-67	47.5-56.7
Male/female, ratio (n)	3.2 (106/33)	-	-
Height, cm	162.3±7.4	155-178	158.3-166.4
Weight, kg	68.5±12.3	55-82	65.7-72.8
BMI, kg/m2	28.4±3.8	24.5-2.5	26.6-30.3
Neck circumference, cm	38.2±6.4	32-45	35.7-41.2
Abdomen circumference, cm	85.7±11.6	74-98	82.5-89.6
Clinical symptoms
Smoking, %	32.4	-	-
Snoring, %	88.2	-	-
Epworth scores, (0-24)	18.4±6.3	12-24	16.7-21.4
Pichot scores*, (0-32)	28.3±4.5	24-32	16.5-30.2
Blood pressures
SBP, mmHg	152±28	124-180	147-156
DBP, mmHg	94±12	80-110	89-97
Comorbidities°, %	84	-	-
Lung function parameters
FEV1, % predicted	86.4±8.5	78-95	83.6-90.2
FVC, % predicted	88.7±9.3	78-98	86.3-89.6
FEV1/FVC, %	77.4±6.7	70-82	74.5-81.4
TLC, % predicted	89.3±7.4	82-98	86.4-92.7
Polysomnography parameters
AHI, numbers/h	39±7	32-69	45.5-51.6
ARI#, numbers/h	39±13	25-54	36.7-42.8
Mean SpO2, %	87±4	84-91	85.2-89.9
Nadir SpO2, %	79±6	72-84	77.4-82.1
Biological parameters
Glucose, mmol/L	6.6±0.8	6.2-7.4	6.2-6.9
Total cholesterol, mmol/L	6.3±0.9	5.2-7.1	5.9-6.5
LDL cholesterol, mmol/L	4.1±0.8	3.3-4.9	3.8-4.3
Triglycerides, mmol/L	2.7±0.5	2.2-3.2	2.5-2.9

OSA, obstructive sleep apnea; CI, confidence interval; BMI, body mass index; FEV1, forced expiratory volume in 1 s; FVC, forced vital capacity; TLC, total lung capacity; PSG, polysomnography; AHI, apnea-hypopnea index; ARI, arousal index; LDL, low-density lipoprotein

^*Pichot scores for tiredness

^°having at least one comorbidity (hypertension, diabetes mellitus, coronary disease, atrial fibrillation)

^#measured by Alice PSG auto report.