. 2021 Aug 12;13(8):e17123. doi: 10.7759/cureus.17123

Table 4. Three statistical models for rSO2 and ischemic thresholds against hospital LOS.

	Spearman Rank		Cox	Competing Risk Model
	Including all patients(n=166)	Excluding those with inpatient mortality (n=159)	(n=166)	(n=166)
Preoperative rSO₂	-0.214 (p=0.006)*	-0.193 (p=0.015)*	1.033 (p<0.01)*	1.034 (p<0.01)*
Intraoperative mean rSO₂	-0.225 (p=0.004)*	-0.222 (p=0.005)*	1.038 (p<0.01)*	1.039 (p<0.01)*
AUC below baseline rSO₂	0.119 (p=0.125)	0.122 (p=0.127)	1.000 (p=0.155)	1.000 (p=0.138)
AUC 10% below baseline rSO₂	0.134 (p=0.084)	0.130 (p=0.104)	1.000 (p=0.137)	1.000 (p=0.121)
AUC 20% below baseline rSO₂	0.135 (p=0.084)	0.108 (p=0.174)	1.000 (p=0.283)	1.000 (p=0.295)
AUC 50% below baseline rSO₂	-0.089 (p=0.257)	-0.088 (p=0.268)	1.075 (p=0.501)	1.083 (p=0.461)