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Table 3 Univariate and multivariate analysis of overall survival in 100 patients with non-small cell lung cancer

From: RETRACTED ARTICLE: Diagnostic and prognostic value of plasma microRNA-195 in patients with non-small cell lung cancer

Variables Univariate log-rank test (p) Cox multivariable analysis (P) Relative risk (RR)
Age at diagnosis (years)
 <60 vs ≥60 0.56
Gender
 Male vs female 0.69
Histological type
 Squamous cell carcinoma vs others 0.32
Histological grade
 (G1 + G2) vs G3 0.038 0.085 1.054
Tumor size    
 ≤3 vs >3 cm 0.13
N classification
 Positive vs negative 0.011 0.035 3.368
TNM stage
 I–II vs III <0.001 0.002 6.587
Plasma miRNA-195
 High vs low <0.001 0.016 4.225