Table 3.

Details of the postoperative complications in PSM model

	Group A (n = 82)	Group B (n = 82)	P value
Biochemical leak, n (%)	15 (18.3)	21 (25.6)	0.258
CR-POPF, n (%)	1 (1.2)	12 (19.5)	< 0.001
Grade B	1 (1.2)	10 (12.2)	0.005
Grade C	0	2 (2.4)	0.497
Post-pancreatectomy hemorrhage, n (%)	0	4 (4.9)	0.043
GI anastomotic fistula, n (%)	0	2 (2.4)	0.497
Intra-abdominal infection, n (%)	3 (3.7)	10 (12.2)	0.043
Chylous fistula, n (%)	3 (3.7)	1 (1.2)	0.620
Septicemia, n (%)	1 (1.2)	2 (2.4)	0.556
Gastrointestinal hemorrhage, n (%)	3 (3.7)	1 (1.2)	0.620
Biliary fistula, n (%)	2 (2.4)	3 (3.7)	0.650
Organ failure, n (%)	1 (1.2)	2 (2.4)	0.500
In-hospital mortality	0	2 (2.4)	0.497
Readmission (< 1 month)	1 (1.2)	2 (2.4)	0.500
Mortality, 90 days	0	1 (1.2)	0.316
Clavien–Dindo classification
Mild–moderate (grade I–II), n (%)	18 (22.0)	29 (35.4)	0.057
Severe (grade III–V), n (%)	5 (7.3)	14 (17.1)	0.028
Postoperative complications (total), n (%)	23 (28.0)	43 (52.4)	0.001

PSM propensity score matching