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Table 3 Cox regression analysis for various potential prognostic factors in survival

From: Increased expression of system large amino acid transporter (LAT)-1 mRNA is associated with invasive potential and unfavorable prognosis of human clear cell renal cell carcinoma

Overall survival in all patients
Variable Unfavorable/favorable characteristics No. of patients Analysis Relative risk 95% confidential interval P value
    Univariate (U) 6.080 2.799 - 13.209 < 0.0001
Grade 3 / 2 / 1 21 / 33 / 17     
    Multivariate (M) 1.693 0.838 - 3.424 0.1424
    U 41.532 5.598 - 308.114 < 0.0001
pT 4,3 / 2,1 43 / 28     
    M 9.21 0.897 - 94.539 0.0616
    U 9.981 3.407 - 29.245 < 0.0001
v (+) / (−) 43 / 28     
    M 1.548 0.423 - 5.674 0.5093
    U 12.098 4.927 - 29.709 < 0.0001
M (+) / (−) 18 / 53     
    M 3.222 1.231 - 8.434 0.0172
    U 4.625 1.724 - 12.407 0.0023
LAT1 high / low 41 / 41     
    M 1.977 0.635 - 6.150 0.2393