Feasibility and safety of minimally invasive multivisceral resection for T4b rectal cancer: A 9-year review

Table 3 Post-operative outcomes of patients who underwent multivisceral resection, n (%)

	Total (n = 46)	Minimally invasive (n = 34)	Open (n = 12)	P value
Short-term complications
Anastomotic leak	7 (15.2)	4 (11.8)	3 (25.0)	0.272
Intra-abdominal collection	10 (21.7)	4 (11.8)	6 (50.0)	0.006a
Ileus	19 (41.3)	11 (32.4)	8 (66.7)	0.038a
SSI	10 (21.7)	4 (11.8)	6 (50.0)	0.006a
Pneumonia	2 (5.9)	2 (5.9)	0 (0)	0.390
Overall complications	30 (65.2)	20 (58.8)	10 (83.3)	0.125
Major morbidity	11 (23.9)	5 (14.7)	6 (50.0)	0.014a
Length of stay, d	12.0 (3.0-62.0)	10.0 (3.0-42.0)	30.0 (6.0-62.0)	< 0.001a
30-d readmission	11 (23.9)	8 (23.5)	3 (25.0)	0.918
30-d mortality	0 (0)	0 (0)	0 (0)	N/A
Adjuvant chemotherapy	31 (67.4)	24 (70.6)	7 (58.3)	0.436
Follow-up, months	32.2 (1.1-100.8)	29.2 (1.1-100.8)	36.2 (2.2-73.9)	0.582
Overall survival
Median, months	43.2 (41.5-N/A)	43.1 (40.4-N/A)	47.1 (14.5-N/A)	0.257
1-year	93.2 (80.3-97.8)	93.9 (77.6-98.4)	91.3 (52.4-98.7)	0.774
3-year	71.5 (54.1-83.3)	71.1 (49.8-84.6)	72.1 (35.9-90.1)	0.473
5-year	36.5 (18.2-55.0)	32.1 (11.9-54.6)	45.9 (13.6-73.8)	0.446
Recurrence-free survival
Median, months	43.2 (19.5-N/A)	43.2 (15.4-N/A)	47.1 (3.6-N/A)	0.501
1-year	77.3 (61.9-87.1)	75.4 (56.8-86.9)	82.6 (46.5-95.3)	0.800
3-year	60.8 (43.8-74.1)	56.1 (36.0-72.2)	72.9 (37.1-90.4)	0.879
5-year	37.1 (19.0-55.3)	33.7 (13.1-55.8)	17.2 (13.8-74.2)	0.371

^aP < 0.05. Values indicate statistical significance, where P < 0.05.

All continuous variables were expressed as median (range) unless specified. All categorical variables were expressed as n (%) unless otherwise specified. N/A: Not applicable; SSI: Surgical site infection.