Home Respiratory Polygraphy and Spirometry in Normal Weight and Children with Obesity Suspected for Obstructive Sleep Apnea Syndrome: Are There Any Associations?
Table 1
Characteristics of subjects.
Normal weight
Obese
Gender: female: (%)
15 (50.0)
20 (39.2)
0.344
Age (years)
<0.001
Anthropometrics
Weight (kg)
<0.001
Height (cm)
<0.001
BMI -score
<0.001
Spirometric measurements
FEV1 (-score)
0.010
FVC (-score)
0.001
FEV1/FVC (-score)
0.003
FEF25-75% (-score)
0.153
FEV1 (% of predicted)
0.120
FVC (% of predicted)
0.015
FEF25-75% (% of predicted)
0.401
Below the LLN values
FEV1’s (%)
6 (20%)
2 (4%)
0.019
FVC ’s (%)
6 (20%)
3 (6%)
0.055
FEV1/FVC ’s (%)
0
3 (6%)
0.171
FEF25-75%’s (%)
1 (3%)
4 (8%)
0.415
Home respiratory polygraphy parameters
Mean oxygen saturation (%)
0.233
0.576
ODI (events/h)
0.499
oAHI (events/h)
0.373
AHI (events/h)
0.766
: (%)
11 (36.7)
24 (47.1)
0.362
(%)
4 (13.3)
5 (9.8)
0.625
OSAS severity
0.613
No OSAS (): (%)
19 (63.3)
27 (52.9)
Mild OSAS (AHI: 1-4): (%)
7 (23.3)
19 (37.3)
Moderate OSAS (AHI: 5-9): (%)
2 (6.7)
2 (3.9)
Severe OSAS (AHI: ≥10): (%)
2 (6.7)
3 (5.9)
Abbreviations: BMI: body mass index; FEV1: forced expiratory volume in 1 second; FVC: forced vital capacity; FEF25-75%: forced expiratory flow at 25-75% of forced vital capacity; LLN: lower limit of normal; ODI: oxygen desaturation index; oAHI: obstructive index; : percentage of analyzed time under 90% of partial oxygen saturation (%); AHI: apnea-hypopnea index. Spirometric measurement -score and % predicted values calculated using GLI 2012 equations. Data are presented as the .
