Gerència Territorial de Barcelona, Institut Català de la Salut, Gran Via Corts Catalanes 587 àtic, 08007, Barcelona, Spain.
School of Nursing, Universitat de Barcelona, Barcelona, Spain.
BMC Geriatr. 2021 Apr 13;21(1):243. doi: 10.1186/s12877-021-02186-x.
The Frail-VIG frailty index has been developed recently. It is an instrument with a multidimensional approach and a pragmatic purpose that allows rapid and efficient assessment of the degree of frailty in the context of clinical practice. Our aim was to investigate the convergent and discriminative validity of the Frail-VIG frailty index with regard to EQ-5D-3L value.
We carried out a cross-sectional study in two Primary Health Care (PHC) centres of the Catalan Institute of Health (Institut Català de la Salut), Barcelona (Spain) from February 2017 to January 2019. Participants in the study were all people included under a home care programme during the study period. No exclusion criteria were applied. We used the EQ-5D-3L to measure Health-Related Quality of Life (HRQoL) and the Frail-VIG index to measure frailty. Trained PHC nurses administered both instruments during face-to-face assessments in a participant's home during usual care. The relationships between both instruments were examined using Pearson's correlation coefficient and multiple linear regression analyses.
Four hundred and twelve participants were included in this study. Frail-VIG score and EQ-5D-3L value were negatively correlated (r = - 0.510; P < 0.001). Non-frail people reported a substantially better HRQoL than people with moderate and severe frailty. EQ-5D-3L value declined significantly as the Frail-VIG index score increased.
Frail-VIG index demonstrated a convergent validity with the EQ-5D-3L value. Its discriminative validity was optimal, as their scores showed an excellent capacity to differentiate between people with better and worse HRQoL. These findings provide additional pieces of evidence for construct validity of the Frail-VIG index.
最近开发了脆弱-VIG 衰弱指数。它是一种具有多维方法和务实目的的工具，可在临床实践中快速有效地评估衰弱程度。我们的目的是研究脆弱-VIG 衰弱指数与 EQ-5D-3L 值之间的收敛和判别效度。
我们在 2017 年 2 月至 2019 年 1 月期间在西班牙加泰罗尼亚卫生研究所（Institut Català de la Salut）的两个初级保健（PHC）中心进行了一项横断面研究。研究参与者均为研究期间纳入家庭护理计划的人员。没有应用排除标准。我们使用 EQ-5D-3L 来衡量健康相关生活质量（HRQoL），并使用脆弱-VIG 指数来衡量脆弱性。经过培训的 PHC 护士在参与者家中进行常规护理时，通过面对面评估来管理这两种工具。使用 Pearson 相关系数和多元线性回归分析来检查两种工具之间的关系。
本研究共纳入 412 名参与者。脆弱-VIG 评分和 EQ-5D-3L 值呈负相关（r =-0.510；P<0.001）。非脆弱人群报告的 HRQoL 明显好于中度和重度脆弱人群。随着脆弱-VIG 指数评分的增加，EQ-5D-3L 值显著下降。
脆弱-VIG 指数与 EQ-5D-3L 值具有收敛效度。其判别效度最佳，因为它们的分数能够很好地区分 HRQoL 较好和较差的人群。这些发现为脆弱-VIG 指数的结构效度提供了更多的证据。
