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Correlation of repeated EFS scores. EFS scores were obtained at the initial visit (first EFS score), and then retested 1 week later (second EFS score). The Pearson correlation was good in the 32 patients where repeated scores were obtained (r=0.81; 95% CI: 0.64–0.9, P<0.0001). The first and second mean EFS score was 5.3±3 (standard deviation) and 4.5±2.5, respectively. EFS, Edmonton Frail Scale.
