Table 2.

Consistency test between the training and validation sets.

Features	Train set (368)	Test set (159)	P value
AKI	48.37%	52.20%	0.48
Age	48 [24]	47 [21.5]	0.08
BMI	22.21 (3.78)	22.49 (3.90)	0.44
CPB time	140.95 (53.35)	136.27 (53.27)	0.36
IntraOp_Crst	1,838.06 (553.14)	1,799.84 (496.59)	0.43
IntraOp_RBC	400 [400]	0 [400]	0.78
IntraOp_Ur	858.54 (447.54)	784.91 (423.98)	0.07
LeftHeartIE	83.97%	81.76%	0.62
PostOp_Af	11.96%	12.58%	0.96
PostOp_IS	3.26%	1.89%	0.56
PostOp_LCOS	8.15%	7.55%	0.95
PostOp_Reexploration	2.45%	4.40%	0.35
PostOp_dialysis	6.52%	3.14%	0.18
PreOp_AISI	0.53 (0.80)	0.54 (1.27)	0.98
PreOp_Achl	23.10%	23.27%	1.00
PreOp_Alb	34.65 (5.88)	34.90 (6.68)	0.69
PreOp_CNSC	22.83%	23.27%	1.00
PreOp_CRP	40.74 (35.69)	44.30 (41.53)	0.35
PreOp_CTD	3.80%	4.40%	0.94
PreOp_Ccr	99.40 (36.24)	101.09 (40.66)	0.65
PreOp_DM	7.61%	11.23%	0.22
PreOp_Embolism	38.32%	36.48%	0.76
PreOp_HTN	22.28%	27.04%	0.29
PreOp_Hgb	104.95 (20.23)	103.70 (20.90)	0.53
PreOp_LargeVeg	56.25%	54.09%	0.72
PreOp_IS	2.99%	3.77%	0.84
PreOp_KidneyEmbolism	2.99%	2.52%	0.99
PreOp_LHR	1.91 (1.24)	1.82 (1.03)	0.46
PreOp_LMR	3.67 (1.86)	4.04 (2.67)	0.11
PreOp_MHR	0.61 (0.47)	0.58 (0.46)	0.61
PreOp_NHR	8.35 (8.71)	8.43 (8.91)	0.92
PreOp_NLR	5.15 (4.11)	5.44 (7.40)	0.64
PreOp_NYHA	2 [1]	2 [1]	0.29
PreOp_SCr	80.80 (45.72)	81.13 (47.46)	0.94
PreOp_SII	1,076.34 (949.80)	1,147.86 (1,668.26)	0.61
PreOp_SIRI	2.64 (3.47)	2.55 (4.26)	0.82
PreOp_Smk	29.08%	25.79%	0.51
PreOp_TyG	8.48 (0.47)	8.46 (0.49)	0.62
Sex(Male)	69.29%	66.67%	0.62
SurgeryTiming	6 [5]	6 [5]	0.45
ValveReplacement	63.86%	60.38%	0.51

Detailed definitions, units, and data types for each feature are provided in Supplementary Table S1.