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Summary of agreement between frailty measures
| Frailty index comparison | Agreement (%) | Weighted Kappa (95 % CI) |
|---|---|---|
| Full Frailty Index [FI] - Modified Frailty Index [FI] | 77.0 | 0.72 (0.72–0.73) |
| Full Frailty Index [FI] – CHESS scale | 43.9 | 0.28 (0.28–0.29) |
| Modified Frailty Index [FI] – CHESS scale | 42.1 | 0.22 (0.22–0.23) |
CI Confidence interval
