The Correlation of Serum Growth Differentiation Factor-15 Level in Patients with Obstructive Sleep Apnea

Table 1

Demographic characteristics and median level of GDF-15 in OSA and control groups.

	The control group ()	The study group ()
Mean age (in year)	46 ± 9	48 ± 10
Gender (male/female) (%)	23/17 (57/43)	20/20 (50/50)
Body mass index (kg/m^2)	29.9 ± 3.9	32.0 ± 6.2
GDF-15	410 ng/L ± 159	413 ng/L ± 170