TABLE 2.

Performance comparisons of lightGBM model evaluated using the test datasets

Cohort	Features	Log loss	AUROC	Brier score	AUPR
1	Pre‐ and intraoperative	0.0307	87.76%	0.00621	8.65%
	Pre‐, intra‐, and postoperative	0.0302	89.17%	0.00610	10.82%
2	Pre‐ and intraoperative	0.0728	86.32%	0.0166	17.75%
	Pre‐, intra‐, and postoperative	0.0619	90.53%	0.0146	35.48%

Abbreviations: AUROC, area under the receiver operating characteristic curve; AUPR, area under precision‐recall curve.