Table 3.
FI Groupings | Baseline | Wave 5 | ||||
---|---|---|---|---|---|---|
N | 5-Year Risk of Death | Risk Ratio (95% CI) | N | 5-Year Risk of Death | Risk Ratio (95% CI) | |
FI ≤ 0.05 | 1,343 | 0.12 | 1.00* | 99 | 0.30 | 1.00* |
0.05 < FI ≤0.15 | 1,799 | 0.20 | 1.61 (1.36–1.91) | 594 | 0.35 | 1.17 (0.85–1.60) |
0.15 < FI ≤ 0.25 | 389 | 0.40 | 3.24 (2.69–3.91) | 304 | 0.48 | 1.59 (1.15–2.18) |
0.25 < FI ≤ 0.35 | 121 | 0.58 | 4.68 (3.80–5.76) | 90 | 0.66 | 2.16 (1.55–3.02) |
0.35 < FI ≤ 0.50 | 78 | 0.72 | 5.81 (4.76–7.09) | 58 | 0.88 | 2.90 (2.12–3.97) |
FI > 0.50 | 71 | 0.79 | 6.38 (5.29–7.69) | 30 | 1.00 | 3.30 (2.45–4.45) |
Notes: CI = confidence interval; FI = frailty index.
*FI grouping with lowest scores utilized as the reference category.