Fig. 2From: Construction and validation of a predictive model of invasive adenocarcinoma in pure ground-glass nodules less than 2 cm in diameterMulti-factor logistic regression analysis of forest plots. PNI, prognostic nutritional index; SA, serum amyloid; Cyfra21-1, cytokeratin 19-fragments; CEA, carcinoembryonic antigen; ASA, American Society of AnesthesiologistsBack to article page