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Table 4 Standardized complication rates 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  
Total number 88 526   42 187  
  n % n % P n % n % P
Non-complication 71 80.68 368 69.96 0.039a 27 64.29 119 63.64 0.973
Low grade 16 18.18 143 27.19 0.074 15 35.71 61 32.62 0.700
 Grade I 10 11.36 50 9.51 0.587 4 9.52 20 10.70 1.000*
 Grade II 6 6.82 93 17.68 0.010b 11 26.19 41 21.93 0.551
High grade 1 1.14 15 2.85 0.714* 0 0.00 7 3.74 0.355*
 Grade IIIa 0 0.00 6 1.14 0.601* 0 0.00 6 3.21 0.596*
 Grade IIIb 0 0.00 0 0.00 NA 0 0.00 1 0.53 1.000*
 Grade IVa 1 1.14 7 1.33 1.000* 0 0.00 0 0.00 NA
 Grade IVb 0 0.00 0 0.00 NA 0 0.00 0 0.00 NA
 Grade V 0 0.00 2 0.38 1.000* 0 0.00 0 0.00 NA
  1. *Fisher’s exact test. aOdds ratio = 0.867, 95% CI 0.772 to 0.974; bodds ratio = 2.593, 95% CI 1.172 to 5.737. LPN, laparoscopic partial nephrectomy; LRN, laparoscopic radical nephrectomy; NA, not applicable; OPN, open partial nephrectomy; ORN, open radical nephrectomy.