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Table 2 Univariable and multivariable Cox regression analysis for association of variables with recurrence-free survival

From: A CT-based intratumoral and peritumoral radiomics nomogram for postoperative recurrence risk stratification in localized clear cell renal cell carcinoma

 

Univariable cox regression

Multivariable cox regression

HR (95% CI)

P value

HR (95% CI)

P value

Age, years

1.061 (1.021–1.103)

0.003

1.07 (1.02–1.122)

0.006

Sex

(female as ref)

1.867 (0.794–4.393)

0.153

  

Tumor size,cm

1.601 (1.369–1.873)

< 0.001

  

Nephrectomytype (Radical as ref)

0.116 (0.028–0.489)

0.003

  

ECOG-PS (0 as ref)

2.156 (0.916–5.077)

0.079

  

ISUP grade

(III-IV vs I-II)

4.222 (1.997–8.928)

< 0.001

2.645 (1.149–6.089)

0.022

T stage

(T3 vs T2 vs T1)

4.473 (2.952–6.779)

< 0.001

2.254 (1.218–4.171)

0.01

N stage

(N1 vs N0/x)

34.22 (4.28-273.61)

< 0.001

232.85(20.2-2683.52)

< 0.001

RM5mm-Radscore

4.255 (2.849–6.355)

< 0.001

6.061 (2.349–15.64)

< 0.001

  1. RM5mm-Radscore, the radscore gained from IPAT 5 mm model. ISUP grade, the International Society of Urological Pathology grading system. ECOG-PS, Eastern Cooperative Oncology Group Performance Status