Comparison of Auto- and Fixed-Continuous Positive Airway Pressure on Air Leak in Patients with Obstructive Sleep Apnea: Data from a Randomized Controlled Trial
Table 3
Logistic regression analysis with “leaks above the median value” as the dependent variable.
Univariate analysis
Multivariate analysis
OR
95% (CI)
value
AOR
95% (CI)
value
Age (years)
1.01
(0.99; 1.03)
0.37
Sex, female
0.78
(0.46; 1.32)
0.35
BMI (kg/m2)
1.02
(0.98; 1.05)
0.41
Initial AHI (event/h)
1.01
(0.99; 1.02)
0.36
Current smoker
2.10
(1.12; 3.93)
0.02
Hypertension
0.98
(0.59; 1.63)
0.93
Diabetes
1.42
(0.76; 2.64)
0.27
Residual AHI (event/h)
1.05
(0.99; 1.11)
0.10
CPAP use (hours)
0.95
(0.84; 1.07)
0.38
Fixed-CPAP
1.17
(0.73; 1.89)
0.52
CPAP level (cmH2O)
1.25
(1.11; 1.41)
0.0003
1.19
(1.05; 1.35)
0.0084
Oronasal mask
2.75
(1.64; 4.61)
0.0001
2.23
(1.30; 3.83)
0.0037
Chin strap
0.71
(0.12; 4.35)
0.71
Heated humidifier
1.18
(0.73; 1.90)
0.51
BMI: body mass index, AHI: apnea-hypopnea index, CPAP: continuous positive airway pressure, OR: odds ratio, and AOR: adjusted odds ratio. Data are reported as medians and quartiles or numbers and percentages, as appropriate.