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Table 2 Univariate and multivariate analysis of overall survival in 115 patients with non-small cell lung cancer

From: Decreased microRNA-224 and its clinical significance in non-small cell lung cancer patients

Variables Univariate log-rank test (p) Cox multivariable analysis (P) Relative risk (RR)
Age at diagnosis (years)    
<60 vs. ≥60 0.62 —— ——
Gender    
Male vs. Female 0.45 —— ——
Smoking status    
smoker vs never smoked 0.34 —— ——
Histological type    
Squamous cell carcinoma vs Others 0.58   
Histological grade    
(G1 + G2) vs G3 0.19 —— ——
T classification    
T1+2 vs T3 0.16 —— ——
N classification    
Positive vs negative 0.022 0.032 5.156
TNM stage    
I-II vs III < 0.001 0.008 9.328
MiR-224 expression    
High vs low < 0.001 0.015 7.514
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