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Table 2 Univariate analysis of prognostic factors associated with disease-free survival and overall survival

From: Ringed fluorodeoxyglucose uptake predicted poor prognosis after resection of pulmonary pleomorphic carcinoma

Characteristic, risk factor

Disease-free survival

Overall survival

p value

p value

Age, > 70 y

0.118

0.128

Sex, male

0.193

0.742

Smoking, former or current

0.137

0.140

Cavity on CT

< 0.001

0.004

Ringed FDG uptake on PET/CT

0.002

0.003

Tumor size, > 40 mm

0.007

0.014

pN classification, N > 0

0.445

0.374

Lymphatic invasion

0.104

0.222

Vascular invasion

0.434

0.652

Pleural invasion

0.014

0.157

PD-L1 expression, TPS ≥ 5%

0.438

0.661

  1. CT chest computed tomography, FDG fluorodeoxyglucose, PET/CT positron emission tomography/CT, PD-L1 programmed cell death ligand 1