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Table 1 Type of operation and tumor stage versus age of patients with abdominal tumor resection (N = 11,725)

From: Rectal cancer treatment and outcome in the elderly: an audit based on the Swedish rectal cancer registry 1995–2004

Operation Tumor stage < 75 years of age ≥ 75 years of age P value
AR   N = 4,514 N = 2,235 0.001
  Stage I-III 3,980 (88.2) 2,035 (91.1)  
  Stage IV 475 (10.5) 185 (8.3)  
  Stage not known 59 (1.4) 15 (0.6)  
APE   N = 2181 N = 1,277 0.001
  Stage I-III 1,887 (86.5) 1,155 (90.4)  
  Stage IV 246 (11.3) 111 (8.7)  
  Stage not known 48 (2.2) 11 (0.9)  
HA   N = 642 N = 876 < 0.001
  Stage I-III 362 (56.4) 696 (79.5)  
  Stage IV 266 (41.4) 157 (17.9)  
  Stage not known 14 (2.2) 23 (2.6)  
Abdominal surgery   N = 7,337 N = 4,388 < 0.001
  Stage I-III 6,229 (84.9) 3,886 (88.6)  
  Stage IV 987 (13.4) 453 (10.3)  
  Stage not known 121 (1.7) 49 (1.1)  
  1. Values are absolute numbers with percentages given in brackets. Chi-squared test used for analysis of difference between age groups. AR, anterior resection. APE, abdominoperineal excision. HA, Hartmann's procedure.