LACE Index for ReadmissionLoading...Length of stay (days_< 101+12+23+34-6+47-13+5≥ 14+7Acute (emergent) admissionNo0Yes+3Charlson Comorbidity Index001+12+23+3≥ 4+5Visits to ED during prev 6 mos (not incl ED visit of current admission)001+12+23+3≥ 4+4适用指征洞见与注意事项