Inflammatory biomarkers of neutrophil-to-lymphocyte and platelet-to-lymphocyte ratios in 563 severe OSA patients before and after surgery

Table 4 Pearson correlations between changes of the PLR and changes of the major polysomnographic parameters in the higher pre-operative PLR group (pre-operative PLR≧150)

	ΔAHI	ΔREM	ΔApnea, longest	ΔHypopnea, longest	Δ% of mO₂ < 90%	ΔMean O₂%	ΔLSAT	ΔODI	ΔArousal index
ΔPLR
r	0.153	0.201	0.298	0.321	− 0.076	0.077	− 0.096	0.139	0.130
P value^a	0.278	0.153	0.037	0.026	0.606	0.595	0.498	0.336	0.374

PLR, platelet-to-lymphocyte ratio; Δ: changes of the data before and after treatment; AHI, apnea/hypopnea index; REM, rapid eye movement; mO2: mean saturation of oxygen; LSAT, lowest oxygen saturation; ODI: oxygen desaturation index
^aStatistical significance was accepted when P < .05

ISSN: 1916-0216