Predicting 30-Day Readmissions: Performance of the LACE Index Compared with a Regression Model among General Medicine Patients in Singapore

Table 1

Components of the LACE index.

Variable	Value	Points
Length of stay, days	<1	0
	1	1
	2	2
	3	3
	4–6	4
	7–13	5
	≥14	7
Acute (emergent) admission	Yes	3
Charlson comorbidity index score	0	0
	1	1
	2	2
	3	3
	≥4	5
Emergency department visits during previous 6 months	0	0
	1	1
	2	2
	3	3
	≥4	4

The LACE score is calculated by summing the points of the above 4 variables.