Research Article

Usefulness of Cathepsin S to Predict Risk for Obstructive Sleep Apnea among Patients with Type 2 Diabetes

Table 4

Association between levels of CTSS and variables in univariate and multiple linear regression models.

Univariate modelsMultiple model (, )
Beta95% CI valueBeta95% CI value

Age (years)-0.005-51.183 to 48.3430.9550.034-33.850 to 54.3990.645
Sex (female vs. male)0.186124.692 to 2497.5370.0310.066-603.815 to 1524.9280.393
BMI (kg/m2)0.116-34.536 to 227.9650.148-0.054-189.882 to 89.5460.478
LVEF (%)0.022-69.687 to 91.9540.786
AHI (events/h)0.50639.757 to 69.073<0.0010.38621.988 to 57.781<0.001
FBG (mmol/L)0.444602.300 to 1165.896<0.0010.340328.871 to 921.777<0.001
Total cholesterol (mmol/L)0.075-194.509 to 541.0780.353
Triglyceride (mmol/L)0.085-158.839 to 527.1890.291
LDL-C (mmol/L)0.095-204.688 to 815.3190.239
hs-CRP (mg/L)0.074-59.811 to 161.9040.364
Uric acid (μmol/L)0.136-0.594 to 8.4400.088-0.095-7.434 to 1.8760.239
ALT (U/L)0.1711.374 to 40.5730.0360.012-17.892 to 20.7570.883
GGT (U/L)0.2084.290 to 29.5170.0090.113-3.932 to 21.7110.172
Creatinine (μmol/L)0.087-9.832 to 33.8830.279
Creatine kinase (U/L)0.013-3.387 to 3.9660.877

The multiple linear regression model includes age, sex, BMI, and other variables with in univariate model analysis. : adjusted of the multiple linear regression model; CI: confidence intervals; CTSS: cathepsin S; BMI: body mass index; LVEF: left ventricular ejection fraction; AHI: apnea-hypopnea index; FBG: fasting blood glucose; LDL-C: low-density lipoprotein cholesterol; hs-CRP: high-sensitivity C-reactive protein; ALT: alanine aminotransferase; GGT: γ-glutamyl transferase.