The Simplified Frailty Index (FI)

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The different perspective of frailty leads to the difference in the operational definition, structural domain, scale and scoring to evaluate frailty. In orthopedic, there are currently 8 frailty instruments have been applied to assess the dynamic of frailty and stratify risk of postoperative complication in clinical settings including the Edmonton Frail Scale (EFS), Frailty Index (FI), the Simplified Frailty Index/ or the Modified Frailty Index (mFI), Fried’s Frailty Phenotype (CHS), Modified Fried Criteria (MFC), Reported Edmonton Frail Scale (REFS), Hip-Multidimensional Frailty Score (Hip-MFS), and Maastricht Frailty Screening Tool for Hospitalized Patients (MFST-HP). The structural, clinical outcomes and psychometric properties of each frailty …show more content…

This FI assesses the individual deficit as a proportion of the number of deficits presented and the number of potential deficits. For instance, if 51 items are considered as maximum potential deficits, and we found 10 deficits shown in that person. Then the FI scores could be 0.19 (10/51). However, the major domains of the FI (51 deficits) are self-rated health, cognitive assessments, clock face drawing, co-morbidities, continence, mobility, and functional independence (Krishnan et al., 2014). The FI score ranges from 0-1 and the score cut point is 0.25; the classification of frailty is: low-frailty (FI ≤ 0.25), intermediate-frailty (FI 0.25-0.4), and high-frailty (FI>0.4). However, many FI reporting different major domains and cut points are found in other clinical …show more content…

The mFI evaluates eleven domains: dependent functional status, diabetic mellitus, congestive heart failure, cardiac problems, impaired sensorium (acute confused/or delirious), hypertension, lung problems, myocardial infarction, prior transient ischemic attack, stroke history, and peripheral vascular disease. The mFI needs information from the standard health care assessment and medical record for scoring frailty status. The score is calculated from the presented deficit numbers divided by eleven; ranging from 0-1. The frail classification is: not frail (mFI score=0), pre-frail (0< mFI score< 0.21), and frail (mFI score ≥0.21) (Velanovich et al., 2013). The vairation of cut points values are commonly found in mFI scoring (Bellamy et al., 2017; Runner et al., 2017; Shin, Keswani, Lovy, & Moucha,

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