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Table 1 Characteristics of patients and tumors for percutaneous cryoablation

From: Image-guided percutaneous renal cryoablation for stage 1 renal cell carcinoma with high surgical risk

Patient characteristics Result
Patients (n) 18
Mean age (range) 62 (41–89)
Sex (n male/female) 12/6
Body mass index (kg/m2) 22.2 ± 3.7
The combined surgical risk factors:  
  Receiving treatment for other cancers 3
  Age >85 years old and refusal of surgery 4
  Hemophilia 1
  Coronary heart disease 6
  End-stage renal disease receiving hemodialysis 2
  Dilated cardiomyopathy with heart failure 2
Mean follow-up (range), months 26.8 (12–56)
Mean tumor size (range), cm 3.3 (1.4–4.6)
Tumor location (right/left) 10/8
Pathology:  
  Clear cell RCC 14
  Papillary RCC 3
  Chromophobe RCC 1
Operative time (min) 67 ± 18
Complication  
  Nausea 3
  Pain 4
  Subcapsular hemorrhage 1
  Retroperitoneal errhysis 1