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Table 2 Univariable and multivariable Cox proportional hazards regression for overall survival

From: Outcomes of renal cell carcinoma with associated venous tumor thrombus: experience from a large cohort and short time span in a single center

Characteristic

Univariable analysis

Multivariable analysis

HR (95% CI)

P Value

HR (95% CI)

P Value

Sex (female vs male)

1.27 (0.65–2.48)

0.488

  

Age (< 59 vs 59)

1.20 (0.69–2.07)

0.522

  

BMI (< 23.6 vs 23.6)

1.07 (0.61–1.88)

0.806

  

ASA level (I + II vs III + IV)

1.70 (0.93–3.11)

0.083

  

Mayo level (0-II vs III-IV)

1.48 (0.80–2.74)

0.217

1.15 (0.59–2.23)

0.678

Side (left vs right)

1.17 (0.66–2.07)

0.593

  

Size (< 8.7 vs 8.7)

1.07 (0.61–1.87)

0.816

1.69 (0.92–3.11)

0.088

pN stage (N0 vs N1)

2.33 (1.22–4.48)

0.011

2.30 (1.17–4.55)

0.016

Metastasis at surgery (M0 vs M1)

1.85 (1.05–3.29)

0.035

1.92 (1.05–3.50)

0.034

Pathology (ccRCC vs non-ccRCC)

1.88 (0.80–3.53)

0.051

  

Nuclear grade (I + II vs III + IV)

2.22 (1.18–4.18)

0.013

1.92 (0.97–3.84)

0.063

Tumor necrosis (yes vs no)

2.35 (1.30–4.25)

0.005

2.12 (1.11–4.04)

0.023

Sarcomatoid differentiation (yes vs no)

4.40 (2.50–7.73)

< 0.001

3.94 (2.10–7.39)

< 0.001

Sinus fat invasion (yes vs no)

2.69 (0.65–11.08)

0.172

  

Renal capsule invasion (yes vs no)

1.70 (0.98–2.94)

0.058

  

TT length (< 4.8 vs 4.8)

1.30 (0.70–2.40)

0.4

  

TT width(< 2.5 vs 2.5)

0.85(0.45–1.63)

0.627

  

IVC segmental resection (yes vs no)

1.47 (0.77–2.81)

0.244

  
  1. BMI body mass index, ASA American Society of Anesthesiologists, IVC inferior vena cava, TT tumor thrombus