… during an index or prior hospitalization, and excludes all … prior hospitalizations on the
amount of comorbid illness identified and on the statistical performance of the two comorbidity …

… it is unclear which measure is optimal for specific outcomes and if the measures are equally
… This research examined the predictive performance of five comorbidity measures in three …

… using information from the index and prior hospitalizations. Nevertheless, in predicting 1-…
prior hospitalizations performed better than using information from the index hospitalization …

… This confirms prior comparisons of different Charlson indexes and prescription claims
scores in predicting expenditure outcomes. (13,14) Furthermore, it expands on this research to …

… been recorded prior to an index hospitalization and were … at improving claims-based
comorbidity measures, we tried to … on time periods prior to an index hospitalization, thereby …

… Most SEER-Medicare investigators have reviewed inpatient claims over a 1- or 2-year
period before the cancer was diagnosed to identify any prior hospitalizations that may report …

… For example, risk factors of prior health care utilization (eg, prior hospitalization) are easy to
achieve and can identify patients with unstable or more severe diseases. On the other hand, …

… the relevance of comorbidities on admission … hospitalized with COVID-19, which is consistent
with prior reports. Accordingly, the addition of any of the summary measures of comorbidity …

… Further, we examined whether including diagnoses from prior hospitalizations would …
The diagnoses detected from prior lifetime admissions increased the prevalence of comorbid …

… Notably, when used among cohorts assembled from ambulatory settings, those subjects
without a hospitalization in the prior year would have a score of zero. Some investigators have …