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This study will validate the utility of a novel frailty index that uses ICD diagnoses to call frailty severity in a surgical cohort of patients 65 and older
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Low frailty | Frailty risk score less than 5 |
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| Intermediate Frailty | Frailty risk score 5-15 |
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| High frailty | Frailty risk score 15 and above |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Frailty risk groups | Other | Patients older than 65 will be separated into groups of varying frailty risk |
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| Measure | Description | Time Frame |
|---|---|---|
| 30-day mortality | Mortality within 30 days of surgery in each of the three frailty risk groups | 30-days |
| Time to hospital readmission | For patients surviving index hospitalization, the proportional hazard ratio of readmission between the three frailty group | Up to 180 days |
| Measure | Description | Time Frame |
|---|---|---|
| Long-term mortality | Long-term mortality of the three different frailty risk groups, compared with proportional hazard modeling | Up to 14 years |
| Prolonged hospital length-of stay | Incidence of patients staying more than 10-days after surgery in the three frailty risk cohorts |
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Inclusion Criteria:
Exclusion Criteria:
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Individuals over 65 years of age undergoing surgery at a University Hospital Setting
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| Name | Affiliation | Role |
|---|---|---|
| Martin I Sigurdsson, MD, PhD | University of Iceland | Principal Investigator |
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Just summary data will be shared
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| 3 months |