Diagnostic yield of follow-up in patients undergoing surgery for non-metastatic colorectal cancer

Table 1 Population and primary colorectal cancer characteristics (n = 574), n (%)

Parameters	Value
Age, years, mean ± SD	70.1 ± 11.36
Sex
Male	347 (60.5)
Female	227 (39.5)
TNM stage
I	125 (21.8)
II	227 (39.5)
III	222 (38.7)
Location
Right colon	153 (26.7)
Transverse colon	35 (6.1)
Left colon	226 (39.4)
Rectum	160 (27.8)
Type of surgery
Right hemicolectomy	165 (28.8)
Left hemicolectomy/sigmoidectomy	204 (35.6)
Anterior rectal resection	140 (24.4)
Abdomino-peritoneal amputation	26 (4.5)
Other	39 (6.8)
Laparoscopic surgery
Yes	133 (23.2)
No	441 (76.8)
Pre-operative complications
Intestinal perforation	22 (3.8)
Intestinal occlusion	48 (8.4)
Postoperative complications
Suture dehiscence	87 (15.2)
Paralytic ileus	28 (4.9)
Eventration	14 (2.4)
Intra-abdominal infection	20 (3.5)
Other	42 (7.3)
Adjuvant chemotherapy
Yes	207 (36.1)
No	367 (63.9)
Neoadjuvant radio-chemotherapy
Yes	71 (12.4)
No	503 (87.6)