Impact of perioperative blood transfusion on oncological outcomes in ampullary carcinoma patients underwent pancreaticoduodenectomy

Table 1 The clinicopathologic characteristics of the ampullary carcinoma patients in the perioperative blood transfusion group and no perioperative blood transfusion group

Characteristic	No PBT		PBT		P value
	n = 113	100%	n = 144	100%
Sex					0.527
Male	62	54.9%	85	59.0%
Female	51	45.1%	59	41.0%
Age (yr)					0.527
≤ 60	60	53.1%	83	57.6%
> 60	53	46.9%	61	42.4%
Operation time					> 0.999
≤ 6 h	85	75.2%	109	75.0%
> 6 h	28	24.8%	35	25.0%
Tumor size (cm)					0.901
≤ 2.0 cm	56	49.6%	70	48.6%
> 2.0 cm	57	50.4%	74	51.4%
Differentiation					0.677
Well	27	23.9%	34	23.6%
Moderate	47	47%	67	46.5%
Poor	39	34.5%	43	29.9%
T stage					0.300
T1	22	19.5%	18	12.5%
T2	41	36.3%	59	41.0%
T3	50	44.2%	67	46.5%
N stage					0.346
N0	82	72.6%	108	75.0%
N1	28	24.8%	28	19.4%
N2	3	2.7%	8	5.6%
Blood vessel invasion					0.200
No	87	77.0%	121	84.0%
Yes	26	23.0%	23	16.0%
Postoperative complications					0.699
No	71	62.8%	86	59.7%
Yes	42	37.2%	58	40.3%
Adjuvant treatment					0.663
No	87	77.0%	107	74.3%
Yes	26	23.0%	37	25.7%

PBT: Perioperative blood transfusion.