HFRS | CFS score | Spearman's Correlation(1) | Agreement(2) | |
---|---|---|---|---|
Non-frail (CFS < 5) | Frail (CFS ≥ 5) | Correlation coefficient (95% CI) | Kappa | |
All patients (n = 7001) | 5678 | 1323 |  | |
 HFRS (non-frail; n = 5164 [73.8%]) | 4332 | 832 | 0.13 (0.10–0.15) | 0.12 (0.10–0.15) |
 HFRS (frail; n = 1837 [26.2%]) | 1346 | 491 |