Table 2. AUC and Brier scores for patients with and without adverse events.

Outcomes	With adverse events		Without adverse events		OR (95% CI)	P-value	AUC	Brier score	R2
	No. of cases	Median risk	No. of cases	Median risk
Serious complications	12	13.9%	195	13.5%	1.099 (0.95–1.27)	0.201	0.6	0.054	0.025
Any complications	40	16.8%	167	16.3%	1.07 (0.98–1.16)	0.113	0.57	0.154	0.015
Pneumonia	2	2.9%	205	2.1%	1.26 (0.6–2.6)	0.771	0.65	0.009	0.103
Surgical site infection	13	9.1%	194	8.2%	1.017 (0.91–1.13)	0.749	0.6	0.058	0.089
Readmission	4	9.05%	203	8.7%	1.22 (0.7–2.1)	0.472	0.57	0.018	0.032
Return to operating room	7	5.5%	200	5.3%	1.14 (0.63–2.06)	0.641	0.61	0.032	0.069

AUC = area under the curve; OR = odds ratio; CI = confidence interval.