Evaluation of short-term outcomes of laparoscopic-assisted surgery for colorectal cancer in elderly patients aged over 75 years old: a multi-institutional study (YSURG1401)

Table 4 Postoperative outcomes and its details

Factor	Group A (n = 84) (%)	Group B (n = 153) (%)	p-value
Complication, n (%)
Overall	16 (19.0)	24 (15.7)	0.587
≥ Grade II	13 (15.5)	18 (11.8)	0.427
Grade of complication, n (%)			0.249
0	68 (81.0)	129 (84.3)
I	3 (3.6)	6 (3.9)
II	8 (9.5)	6 (3.9)
IIIa	5 (6.0)	6 (3.9)
IIIb	0 (0.0)	6 (3.9)
Mortality, n (%)	0 (0.0)	0 (0.0)	1.000
Length of postoperative stay (day) (range)	10 (6–51)	10 (5–62)	0.347
Type of complication, n (%)
Surgical site infection	3 (2.0)	5 (6.0)	0.136
Organ site infection	1 (0.7)	1 (1.2)	1.000
Anastomotic leakage	9 (5.9)	2 (2.4)	0.336
Ileus	2 (1.3)	2 (2.4)	0.616
Pneumonia	0 (0.0)	1 (1.2)	0.354
Urinary dysfunction	2 (1.3)	0 (0.0)	0.54
Abdominal incisional hernia	2 (1.3)	0 (0.0)	0.54
Bleeding	2 (1.3)	0 (0.0)	0.54
Venous thrombosis	0 (0.0)	1 (1.2)	0.354
Delirium	0 (0.0)	2 (2.4)	0.125
Diarrhea	2 (1.3)	2 (2.4)	0.616
Urinary tract infection	1 (0.7)	0 (0.0)	1.000

ISSN: 1471-2482