Table 1

Components of the modified LACE index and values assigned for each

Length of stayLess than 1 day0
1 day1
2 days2
3 days3
4–6 days4
7–13 days5
14 or more days6
Acute admissionInpatient3
Comorbidity (scores cumulative to a maximum of 6)No history0
Diabetes without complications, cerebrovascular disease, history of myocardial infarction, peripheral vascular disease, peptic ulcer disease1
Mild liver disease, diabetes with end organ damage, congestive heart failure, chronic obstructive pulmonary disease, cancer, leukaemia, lymphoma, any tumour, cancer, moderate to severe renal disease2
Dementia or connective tissue disease3
Moderate/severe liver disease or HIV infection4
Metastatic cancer6
Accident and emergency visits during the previous 6 months0 visit0
1 visit1
2 visits2
3 visits3
4 or more visits4