Perioperative blood transfusion decreases long-term survival in pediatric living donor liver transplantation

Table 4 Comparative analysis of postoperative complications during the hospitalization period using the modified Clavien–Dindo classification

Variables	All patients, n = 240
	All complications during hospitalization, n = 783
	mean ± SD or No. (%)	P value
	LTr, n = 103	HTr, n = 137
Patients with any complication	95 (92.2)	132 (96.4)	0.264
Patients with major complications (IIIb-V)	41 (39.8)	90 (65.7)	< 0.001
Complications per patient	2.5 ± 1.7	3.8 ± 3.6	0.007
Number of major complications (IIIb-V)	54/262 (20.6)	207/521 (39.7)	< 0.001
Median of the highest degrees of complication	IIIa (I-IVb)	IVa (I-V)	< 0.001
Median grade of complications per patient	II (I-IIIb)	II (I-V)	< 0.001

SD: Standard deviation; LTr: Low transfusion group; HTr: High transfusion group.