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Interrater Reliability Across 7 Established Risk Stratification Protocols in Cardiac Rehabilitation

Published:October 05, 2020DOI:https://doi.org/10.1016/j.apmr.2020.08.020

      Abstract

      Objective

      To analyze the interrater agreement among physiotherapists in using 7 risk stratification (RS) protocols to evaluate participants of cardiac rehabilitation (CR) and the main factors associated with disagreements that emerged during the RS process.

      Design

      Cross-sectional observational study.

      Setting

      Outpatient rehabilitation center.

      Participants

      Patients (N=72) enrolled in CR with a diagnosis of cardiovascular disease or cardiovascular risk factors. Mean age was 65.62±12.14 y, and mean body mass index (calculated as weight in kilograms divided by height in meters squared) was 29.18±4.56.

      Interventions

      Not applicable.

      Main Outcome Measures

      The main outcome was to the agreement between 2 physiotherapists in the patients’ RS process, using 7 protocols established in the literature for use in CR: American Association of Cardiovascular and Pulmonary Rehabilitation, American College of Sports Medicine, American Heart Association, Sociedade Brasileira de Cardiologia, Sociedad Española de Cardiología, and Société Française de Cardiologie. In addition, the main disagreement factors were assessed.

      Results

      Interrater agreement was classified as moderate-to-good in the 7 included RS protocols (kappa index between 0.53-0.76). The most important aspects that led to disagreement between physiotherapists were reported in 5 categories. The protocol with the greater agreement index was the American College of Sports Medicine (93.10%; n=67), and the one with the greater disagreement was the American Association of Cardiovascular and Pulmonary Rehabilitation (27.80%; n=20).

      Conclusions

      Moderate-to-good interrater agreement among physiotherapists in using 7 RS protocols was observed. Major disagreements were the definition of abnormal hemodynamic responses, rhythm disorders, left ventricular dysfunction, and interpretation of the patient’s clinical characteristics.

      Graphical abstract

      Keywords

      List of abbreviations:

      AACVPR (American Association of Cardiovascular and Pulmonary Rehabilitation), ACSM (American College of Sports Medicine), AHA (American Heart Association), CR (cardiac rehabilitation), RS (risk stratification), SFC (Société Française de Cardiologie)
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