1999 cohort (≥75 years) | 2009 cohort (≥75 years) | |||
---|---|---|---|---|
SHERPA Category | N | n (%) decliners | N | n (%) decliners |
1 = low risk | 98 | 10 (10.2) | 95 | 21 (22.1) |
2 | 96 | 20 (20.8) | 89 | 27 (30.3) |
3 | 87 | 34 (39.1) | 67 | 25 (37.3) |
4 = high risk | 74 | 41 (55.4) | 54 | 29 (53.7) |
355 | 105 (29.6) c-statistic = 0.72 (p < 0.0001) | 305 | 102 (33.4) c-statistic = 0.63 (p < 0.0001) |