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

Table 3 Pearson correlations between changes of the NLR and changes of the major polysomnographic parameters in the higher pre-operative NLR group (pre-operative NLR≧3)

	ΔAHI	ΔREM	ΔApnea, longest	ΔHypopnea, longest	Δ% of mO₂ < 90%	ΔMean O₂%	ΔLSAT	ΔODI	ΔArousal index
ΔNLR
r	0.268	0.306	0.249	− 0.086	− 0.023	0.069	− 0.055	0.253	0.067
P value^a	0.196	0.137	0.252	0.697	0.923	0.749	0.795	0.232	0.762

NLR, neutrophil-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