Table 1.

SpO² Descriptive Statistics (Univariate Analysis)

Variable	Statistic	Manual (EBP)	Automated (Query)
PreOp Initial SpO2	Mean	96.40	96.48
	Median	96.00	96.00
	StDev	1.892	1.898
	Range	92–100	92–100
PostOp Arrival SpO2	Mean	95.72	96.14
	Median	96.00	96.50
	StDev	3.119	2.799
	Range	88–100	91–100
PostOp 30 Min SpO2	Mean	95.63	95.80
	Median	95.00	96.00
	StDev	2.928	2.777
	Range	89–100	90–100
PostOp 4 Hr SpO2	Mean	95.62	96.50
	Median	96.00	96.00
	StDev	2.145	2.124
	Range	91–100	92–100