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Table 1 Patient and tumour characteristics

From: Evaluation of the use of decision-support software in carcino-embryonic antigen (CEA)-based follow-up of patients with colorectal cancer

   CEAwatch Usual care P
Total (N)   184 61 NA
Male (% )   109 (59) 28 (60) ns
Median age (range)   67.0 (38-87) 70.5 (50-88) ns
Comorbidity (%) Major 20 (11) 14 (25) 0.006
  Minor/None 164 (89) 46 (75)  
pT (%) 0, 1, or 2 62 (33) 13 (21) ns
  3 or 4 121 (66) 47 (77)  
  unknown 1 (1) 1 (2)  
pN (%) 0 119 (65) 32 (52) ns
  1 or 2 65 (35) 29 (48)  
Location (%) Colon 98 (53) 44 (72) 0.009
  Rectum 86 (47) 17 (28)  
  1. NA = not applicable, ns = not significant