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Table 1 Demographic data for 157 patients

From: Discrepancy between radiological and pathological size of renal masses

Feature N or Mean (%)
Age (years) 63.3 (34 - 100)
Sex   
   Male 51 (32.5)
   Female 106 (67.5)
Year of Procedure   
   1998 2 (1.3)
   1999 2 (1.3)
   2000 6 (3.8)
   2001 10 (6.4)
   2002 18 (11.5)
   2003 16 (10.2)
   2004 10 (6.4)
   2005 21 (13.4)
   2006 34 (21.7)
   2007 38 (24.2)
Type of Procedure   
   Laparoscopic PN† 10 (6.4)
   Laparoscopic RN‡ 100 (63.7)
   Open PN 8 (5.1)
   Open RN 39 (24.8)
Histological subtype   
   Conventional 126 (80.3)
   Papillary 16 (10.2)
   Chromophobe 11 (7.0)
   Other 4 (2.5)
Mixed 2  
Neuroendocrine 1  
Unclassified 1  
Pathological T stage   
   pT1a 58 (36.9)
   pT1b 41 (26.1)
   pT2a 18 (11.5)
   pT2b 5 (3.2)
   pT3a 30 (19.1)
   pT3b 2 (1.3)
   pT3c 2 (1.3)
   pT4 1 (0.6)
  1. † PN - Partial nephrectomy
  2. ‡ RN - Radical nephrectomy