Table 3. NET count and clinical data correlations.

Variables	ρ	P value
Neutrophil count (/HPF)	0.576	< 0.001*
NET/neutrophil (%)	0.505	< 0.001*
Eosinophil count (/HPF)	−0.103	0.268
EET count	−0.129	0.167
EET/eosinophil count (%)	0.004	0.964
Refractoriness	0.108	0.248
Lund-Mackay score	0.207	0.025*
Global Osteitis Score Scale	0.287	0.002*
Olfactory cleft opacification score	0.113	0.225
Blood eosinophil (%)	−0.251	0.006*
Absolute blood eosinophil count	−0.204	0.027*
JESREC classification	−0.235	0.012*
Smoking (pack-yr)	0.147	0.114
Alcohol (g/mon)	0.071	0.447

NET, neutrophil extracellular trap; HPF, high power field; EET, eosinophil extracellular trap; JESREC, Japanese Epidemiological Survey of Refractory Eosinophilic Chronic Rhinosinusitis.

^*Statistically significant (P < 0.05).