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Table 1 Preoperative baseline characteristics of patients and tumors

From: Predictors of postoperative renal functional damage after nephron-sparing surgery

Parameters Value
Patients
 Sex (n)
 Male 39
 Female 12
 Age (mean ± standard deviation, years) 54.2 ± 13.9
Tumors
 Location (n)
 Left 28
 Right 23
 Diameter (mean ± standard deviation, cm) 3.1 ± 1.8
 Maximum diameter (n)
 Φ ≤ 1 cm 8
 1 cm < Φ ≤ 4 cm 28
 Φ > 4 cm 15
 Depth (n)
 Exophytic (> 50% of the tumor circumference outside of renal parenchyma) 12
 Central (≈ 50% of the tumor circumference outside of renal parenchyma) 26
 Intraparenchymal (< 50% of the tumor circumference outside of renal parenchyma) 13
 GFR of tumor-involved kidney (mean ± standard deviation, ml/min) 45.9 ± 9.3
 Pathology (n)
 Malignant 40
 Benign 11