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Table 2 Patient basic characteristics by surgical approach

From: Fewer complications after laparoscopic nephrectomy as compared to the open procedure with the modified Clavien classification system - a retrospective analysis from Southern China

  Radical nephrectomy Partial nephrectomy
  LRN ORN LPN OPN
Patient numbers 614 229
  88 526 42 187
Age (years) 56.5 ± 13.3 57.32 ± 12.4 53.2 ± 14.0 51.5 ± 13.2
Male/female 55/33 341/185 19/23 119/68a
Right/left 49/39 263/263 21/21 89/98
Category of cancer (n) (%) (n) (%) (n) (%) (n) (%)
Angioleiomyolipoma 2 2.27 28 5.32 14 33.33 50 26.74
 Malignant renal cell tumors         
  Clear cell renal cell carcinoma 67 76.14 399 75.86 21 50.00 110 58.82
  Papillary renal cell carcinoma 5 5.68 19 3.61 3 7.14 8 4.28
  Clear cell renal cell carcinoma combined with papillary renal cell carcinoma 0 0.00 5 0.95 1 2.38 0 0.00
  Chromophobe renal cell carcinoma 4 4.55 13 2.47 0 0.00 5 2.67
  Renal medulary carcinoma 1 1.14 0 0.00 0 0.00 0 0.00
  Collecting duct carcinoma 0 0.00 3 0.57 0 0.00 0 0.00
  Xp11 translocation renal cell carcinoma 1 1.14 0 0.00 0 0.00 0 0.00
  Mucinous tubular and spindle cell carcinoma 0 0.00 1 0.19 0 0.00 0 0.00
  Renal cell carcinoma unclassified         
  Sarcomatoid renal cell carcinoma 0 0.00 1 0.19 0 0.00 1 0.53
  Renal cell carcinoma 5 5.68 33 6.27 0 0.00 6 3.21
 Benign renal cell tumors         
  Oncocytoma 2 2.27 6 1.14 1 2.38 2 1.07
 Metanephric tumors         
  Metanephric adenoma 0 0.00 0 0.00 1 2.38 0 0.00
 Mixed mesenchymal and epithelial tumors         
  Cystic nephroma 0 0.00 2 0.38 0 0.00 1 0.53
  Multilocular cystic nephroma 0 0.00 5 0.95 0 0.00 4 2.14
  Synovial sarcoma (monophasic) 0 0.00 1 0.19 0 0.00 0 0.00
 Neuroendocrine tumors         
  Carcinoid tumor 0 0.00 1 0.19 0 0.00 0 0.00
  Primitive neumectodermai tumor 0 0.00 1 0.19 0 0.00 0 0.00
 Mesenchymal tumors         
  Liposarcoma 0 0.00 1 0.19 0 0.00 0 0.00
  Pleomorphic sarcoma 0 0.00 1 0.19 0 0.00 0 0.00
  Adult rhabdomyosarcoma 0 0.00 1 0.19 0 0.00 0 0.00
 Squamous cell carcinoma 1 1.14 1 0.19 0 0.00 0 0.00
 Non-Hodgkin's lymphoma 0 0.00 1 0.19 1 2.38 0 0.00
 Other tumors         
  Solitary fibrous tumor 0 0.00 2 0.38 0 0.00 0 0.00
  Inflammatory pseudotumor 0 0.00 1 0.19 0 0.00 0 0.00
Tumor size (cm) 4.6 ± 1.9 5.3 ± 2.3b 3.3 ± 2.2 3.6 ± 1.4
Length of postoperation hospital stay (days) 7.6 ± 2.4 9.2 ± 3.9c 8.5 ± 3.1 9.3 ± 3.8
Length of operation time (minutes) 133.7 ± 101.4 120.3 ± 78.8 154.1 ± 141.2 126.2 ± 91.3d
Blood loss during operation (ml) 235.9 ± 411.9 232.1 ± 379.5 191.1 ± 166.0 231.5 ± 222.5
Blood transfer during operation (ml) 67.4 ± 224.6 86.4 ± 322.6 19.0 ± 86.2 36.4 ± 115.3
  1. aP = 0.028; bP = 0.002; cP < 0.001; dP = 0.034. LPN, laparoscopic partial nephrectomy; LRN, laparoscopic radical nephrectomy; OPN, open partial nephrectomy; ORN, open radical nephrectomy.