Matrix Metalloproteinase-9 Is a Predictive Factor for Systematic Hypertension and Heart Dysfunction in Patients with Obstructive Sleep Apnea Syndrome

Table 1

Characteristics of all OSAS patients.

	Mild OSAS	Moderate OSAS	Severe OSAS
Cases,	16	12	19
Age, year
Male/Female,	9/7	10/2	17/2
BMI, kg/m^2
Neck circumference, cm
Waist circumference, cm
AHI, events/h
ODI
ESS
Lowest SpO2, %
Mean SpO2, %
Time of SpO2 < 90%, min
Systolic BP, mm Hg
Diastolic BP, mm Hg
Heart rate

Data are mean ± SD; versus mild OSAS (Student’s -test); BMI: body mass index; AHI: apnea/hypopnea index; ODI: oxygen desaturation index; ESS: Epworth sleepiness scale; SpO₂: blood oxygen saturation; BP: blood pressure.