Research Article

Cystatin C Levels in Middle-Aged Patients with Obstructive Sleep Apnea Syndrome

Table 1

Comparison of anthropometric characteristics between OSAS patients and controls.

OSAS patients (AHI > 5/h)
Controls (AHI < 5/h)

Gender (male/female)52/1216/40.680
Age (years)51.78 ± 11.5551.40 ± 16.240.944
BMI (kg/m2)36.34 ± 13.1833.73 ± 5.680.308
Neck circumference (cm)44.18 ± 4.1539.66 ± 4.840.072
Waist circumference (cm)121.58 ± 19.72110.91 ± 22.300.308
Hip circumference (cm)120.85 ± 14.73115.16 ± 16.500.453
Waist to hip ratio1.02 ± 0.690.96 ± 0.060.106
Smoking (%)33310.538

BMI: body mass index and OSAS: obstructive sleep apnea syndrome.