Stenting as a bridge to surgery in obstructing colon cancer: Long-term recurrence pattern and competing risk of mortality

Table 1 Demographics and clinicopathological characteristics of 62 patients undergoing stenting as a bridge to curative surgery for obstructing colon cancer

Variables	n = 62
Age (yr, median [range])	70.0 [37.0, 90.0]
Sex
Female	25 (40.3)
Male	37 (59.7)
ASA classification
I	11 (17.7)
II	43 (69.4)
III	8 (12.9)
IV	0 (0.0)
Diabetes mellitus
No	50 (80.6)
Yes	12 (19.4)
Albumin (g/dL)
Median [range]	3.65 [1.90, 4.60]
≥ 3.0	52 (83.9)
< 3.0	10 (16.1)
CEA (µg/L)
Median [range]	5.75 [0.95, 84.4]
< 5.3	28 (45.2)
≥ 5.3	34 (54.8)
Tumour location
Rectosigmoid	8 (12.9)
Sigmoid	26 (41.9)
Descending	17 (27.4)
Splenic flexure	11 (17.7)
Tumour staging
T2	1 (1.6)
T3	47 (75.8)
T4	14 (22.6)
Nodal involvement
N0	27 (43.5)
N1	23 (37.1)
N2	12 (19.4)
Tumour differentiation
Well differentiated	2 (3.2)
Moderately differentiated	59 (95.2)
Poorly differentiated	1 (1.6)
Histology
Adenocarcinoma	59 (95.2)
Mucinous adenocarcinoma	3 (4.8)
Tumour deposit(s)
No	50 (80.6)
Yes	12 (19.4)
Microscopic margin involvement (R1 resection)
No	58 (93.5)
Yes	4 (6.5)
Perineural infiltration
No	40 (64.5)
Yes	22 (35.5)
Lymphovascular invasion
No	43 (69.4)
Yes	19 (30.6)
Pericolic microabscess
No	54 (87.1)
Yes	8 (12.9)
Stent failure
No	57 (91.9)
Yes	5 (8.1)
Surgical approach
Open	33 (53.2)
Laparoscopic	29 (46.8)
Stoma formation
No	58 (93.5)
Yes	4 (6.5)
Adjuvant chemotherapy
No	31 (50.0)
Yes	31 (50.0)
Perioperative major complication(s)
No	58 (93.5)
Yes	4 (6.5)
Postoperative 30 d mortality
No	61 (98.4)
Yes	1 (1.6)
Postoperative 90 d mortality
No	60 (96.8)
Yes	2 (3.2)

Values are presented as median [range] or number (%). ASA: American Society of Anaesthesiologists; CEA: Carcinoembryonic antigen.