Table 2.

Postoperative complications according to the Clavien–Dindo classification

Factors	All patients			Matched patients
	NAC	Surgery first	P	NAC	Surgery first	P
	(N = 39)	(N = 94)		(N = 39)	(N = 37)
Operative time (min)
Median (range)	311 (99–590)	279 (124–575)	0.001	311 (99–590)	265 (124–519)	0.006
Intraoperative bleeding (g)
Median (range)	645 (5–2950)	526 (35–3700)	0.001	645 (5–2950)	380 (100–3700)	0.086
Postoperative complications
Total (%)	9 (23.1)	38 (40.4)	0.0567	9 (23.1)	15 (40.5)	0.101
Grade 1	4 (10.3)	17 (18.1)	0.260	4 (10.3)	2 (5.4)	0.433
Grade 2	2 (5.1)	11 (11.7)	0.245	2 (5.1)	7 (18.9)	0.063
Grade 3	3 (7.7)	7 (7.4)	0.961	3 (7.7)	6 (16.2)	0.250
Grade 4	0 (0.0)	4 (4.3)	0.191	0 (0.0)	1 (2.8)	0.301
Complications of all grade, (%)
Anastomotic leakage	1 (2.6)	1 (1.1)	0.518	1 (2.6)	1 (2.7)	0.970
Pancreatic fistula	6 (15.4)	9 (9.6)	0.335	5 (15.4)	5 (13.5)	0.929
Anastomotic stricture	0 (0.0)	3 (3.2)	0.259	0 (0.0)	0 (0.0)
Bowel obstruction	0 (0.0)	5 (5.3)	0.142	0 (0.0)	2 (5.4)	0.141
Intraabodominal abscess	0 (0.0)	2 (2.1)	0.359	0 (0.0)	1 (2.7)	0.301
Pneumonia	0 (0.0)	6 (6.4)	0.106	0 (0.0)	3 (8.1)	0.067
Cholecystitis	0 (0.0)	3 (3.2)	0.259	0 (0.0)	0 (0.0)	1.000
Others	2 (5.1)	10 (10.6)	0.313	2 (5.1)	1 (2.7)	0.587
Complications of grade 3–4
Pancreatic fistula	3 (7.7)	6 (6.4)	0.784	3 (7.7)	2 (5.4)	0.643
Anastomotic stricture	0 (0.0)	1 (1.1)	0.518	0 (0.0)	0 (0.0)	1.000
Bowel obstruction	0 (0.0)	2 (2.1)	0.364	0 (0.0)	1 (2.7)	0.301
Pneumonia	0 (0.0)	2 (2.1)	0.364	0 (0.0)	0 (0.0)	1.000
Postoperative hospital stay (days)
Median (range)	14 (9–57)	15 (7–106)	0.397	14 (9–57)	14 (10–70)	0.695

Gr, Grade; Clavien–Dindo Classification

^aThe total does not add up because of overlapping elements