
Keywords: GOLD، طرح جهانی برای بیماری مزمن ریوی مزمن; CBC, complete blood coun; CI, confidence interval; COPD, chronic obstructive pulmonary disease; GOLD, Global Initiative for Chronic Obstructive Lung Disease; IQR, interquartile range; LC, lung cancer; LDCT, low-dose computed tomography; NLR, neutrophil-to