# Development and Validation of a Preoperative Frailty Index Using Health Administrative Data

> **NCT03354546** · — · COMPLETED · sponsor: **Ottawa Hospital Research Institute** · enrollment: 511285 (actual)

## Conditions studied

- Frail Elderly Syndrome
- Surgery
- Outcomes
- Predictive Value of Tests

## Interventions

- **DIAGNOSTIC_TEST:** Frailty index

## Key facts

- **NCT ID:** NCT03354546
- **Lead sponsor:** Ottawa Hospital Research Institute
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2002-04-01
- **Primary completion:** 2016-03-31
- **Final completion:** 2016-03-31
- **Target enrollment:** 511285 (ACTUAL)
- **Last updated:** 2024-09-23


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03354546

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03354546, "Development and Validation of a Preoperative Frailty Index Using Health Administrative Data". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT03354546. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
