Is it possible to identify cases of coronary artery bypass graft postoperative surgical site infection accurately from claims data?

Table 3 The results of stepwise selection of model 4-logistic regression model (training data)

Parameter	Estimate	Standard error	p-value
Intercept	10.0204	1.1212	<.0001
Length of stay	-0.1581	0.0233	<.0001
Type of antibiotics	-0.7427	0.1939	0.0001

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