Relationships between Obstructive Sleep Apnea Syndrome, Continuous Positive Airway Pressure Treatment, and Inflammatory Cytokines

Table 2

Results from correlations between physiological/sleep parameters and both IL-6 and TNF-α levels in OSAS patients.

	IL-6		TNF-α
	𝑟	𝑃	𝑟	𝑃
WC (cm)	0.307	0.082	0.170	0.926
NC (cm)	0.469	0.006	0.183	0.300
BMI (kg/m^2)	0.0184	0.305	0.050	0.784
AHI (events/h)	0.194	0.280	0.189	0.293
NREM3 (%)	0.016	0.928	−0.189	0.291
REM (%)	0.077	0.671	−1.64	0.362
Minimum SaO2	0.102	0.572	−2.37	0.184
Mean SaO2	0.272	0.126	0.265	0.136
SaO2 ≥ 90 (% TST)	0.285	0.108	0.198	0.270
ESS	0.189	0.269	0.034	0.849

AWC: waist circumference; NC: neck circumference; BMI: body mass index; AHI: apnea-hypopnea index; Minimum SaO₂: the lowest oxygen saturation recorded during sleep; mean SaO₂: the average oxygen saturation recorded during sleep; SaO₂ ≥ 90 (% TST): the amount of total sleep time spent at ≥90% saturation; ESS: Epworth sleepiness scale.