Skip to main content

Table 1 Demographic data of patients (≥80 years) and controls (<80 years)

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

  Group 1 Group 2 P-value
Age <80 years Age ≥80 years
n =572 n =55
Gender    0.071
 Female 220 (38) 28 (51)  
 Male 352 (62) 27 (49)  
Co-morbidities    
 Cardiovascular diseases 250 (44) 36 (65) 0.002
 Pulmonary diseases 63 (11) 13 (24) 0.006
 Neurological diseases 34 (6) 6 (11) 0.149
 Diabetes mellitus 84 (15) 9 (16) 0.738
Tumor localizations    0.432
 Upper rectum (12 to 16 cm) 107 (19) 7 (13)  
 Middle rectum (6 to 12 cm) 220 (39) 25 (46)  
 Lower rectum (≤6 cm) 241 (42) 22 (41)  
UICC-criteria    0.109
 I 174 (31) 21 (41)  
 II 117 (21) 10 (20)  
 III 156 (28) 14 (27)  
 IV 109 (20) 6 (12)  
Operative access    0.0004
 Open 511 (90) 44 (80)  
 Laparoscopic 44 (7) 3 (5)  
 Transanal 15 (3) 8 (15)  
Operation techniques    < 0.0001
 Low anterior resection 374 (65) 28 (51)  
 Rectum extirpation 65 (11) 6 (11)  
 Intersphincteric resection 42 (7) 1 (2)  
 Transanal endoscopic microsurgery 14 (3) 8 (14)  
 Hartmann’s procedure 15 (3) 7 (13)  
 Complete rectal resection 48 (8) 4 (7)  
 Others 14 (3) 1 (2)  
Stomas    0.024
 Colostoma 121 (21) 18 (33)  
 Ileostoma 259 (45) 15 (27)  
 No stoma 190 (33) 22 (40)  
Preoperative therapies    0.005
 No therapy 253 (44) 37 (67)  
 Chemo or radio/chemotherapy 125 (22) 7 (13)  
 Radiotherapy 194 (44) 11 (20)  
  1. Values are given as numbers and absolute frequencies (%).