Comparison of prognosis and postoperative morbidities between standard pancreaticoduodenectomy and the TRIANGLE technique for resectable pancreatic ductal adenocarcinoma

Table 3 Comparison of short-term oncological outcomes between PD_standard group and PD_TRIANGLE group, n (%)

Variables	PDstandard group	PDTRIANGLE group	P value
	(n = 56)	(n = 37)
T stage			0.600
1	9 (16.1)	6 (16.2)
2	40 (71.4)	24 (64.7)
3	7 (12.5)	7 (18.9)
4	0 (0)	0 (0)
N stage			0.581
0	29 (51.7)	18 (48.7)
1	14 (25.0)	17 (45.9)
2	13 (23.3)	2 (5.4)
M stage			1.000
0	55 (98.3)	36 (97.3)
1	1 (1.7)	1 (2.7)
TNM stage			0.341
Ⅰ	24 (42.8)	17 (45.9)
II	19 (33.9)	17 (45.9)
III	10 (17.8)	2 (5.4)
IV	3 (5.5)	1 (2.7)
Tumor differentiation			0.752
Poor	21 (37.5)	17 (45.9)
Moderate	35 (62.5)	17 (45.9)
Well	0 (0)	3 (8.2)
Resection margin status			0.453
R0	40 (71.4)	29 (78.3)
R1	16 (28.6)	8 (21.7)
No. of examined lymph nodes	14 (9-20)	19 (13-24)	0.0101

¹Significant P value.

T: Tumor; N: Node; M: Metastasis; PD: Pancreaticoduodenectomy.