TABLE 2.

The entire dataset was split into a training set and testing set (7:3).

	Level	Overall	Train data	Test data	P-value
n		365	256	109
Donor age [mean (SD)]		35.58 (11.76)	35.86 (11.94)	34.94 (11.35)	0.493
Cr (%)	High	106 (29.0)	71 (27.7)	35 (32.1)	0.473
	Normal	259 (71.0)	185 (72.3)	74 (67.9)
Surgery time [mean (SD)]		260.06 (75.48)	259.39 (71.72)	261.64 (83.98)	0.795
IABP (%)	No	203 (55.6)	138 (53.9)	65 (59.6)	0.372
	Yes	162 (44.4)	118 (46.1)	44 (40.4)
ECMO (%)	No	346 (94.8)	246 (96.1)	100 (91.7)	0.146
	Yes	19 (5.2)	10 (3.9)	9 (8.3)
CRRT (%)	No	319 (87.4)	219 (85.5)	100 (91.7)	0.144
	Yes	46 (12.6)	37 (14.5)	9 (8.3)
ICU stay (%)	Prolong	91 (24.9)	64 (25.0)	27 (24.8)	1.000
	Short	274 (75.1)	192 (75.0)	82 (75.2)