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Table 3 Clavien-Dindo classification of patients and matched controls

From: Rectal cancer surgery in older people does not increase postoperative complications - a retrospective analysis

  Match group 1 Match group 2 P-value
Age <80 years Age ≥80 years
n (%) n (%)
Patients without complications 39 (71) 33 (60)  
Clavien-Dindo grade    0.953
 I 4 (7) 6 (11)  
 II 5 (9) 8 (15)  
 IIIa 1 (2) 2 (4)  
 IIIb 5 (9) 6 (11)  
 IV to V 1 (2) 0  
  1. Values are given as numbers and absolute frequencies (%).