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Table 2 Concurrent Activities of Daily Living [ADLs] at ≥2 and ≥ 3 Dependencies by JEN Frailty Index [JFI] Risk, 2004 NLTCS Community Sample (n = 12,752)Footnote

Sensitivity (sens) and specificity (spec) as percentages with 95% confidence intervals; P/NPV = positive and negative predictive values.

From: Validation of the JEN frailty index in the National Long-Term Care Survey community population: identifying functionally impaired older adults from claims data

ADL Groupings JFI
0–3
JFI
4–5
JFI
6–7
JFI
≥8
JEN Frailty Index ≥6 JEN Frailty Index ≥8
(row percentages) Sens Spec P/NPV Sens Spec P/NPV
0–2 (n = 11,476) 9633 (83.9) 1396 (12.2) 401 (3.5) 46 (0.4) 18.9% (16.8, 21.2) 96.1% (95.7–96.4) 35.0%/91.4% 4.2% (3.2, 5.5) 99.6% (99.5, 99.7) 54.0%/ 90.3%
3–6 (n = 1276) 716 (56.1) 319 (25.0) 187 (14.7) 54 (4.2)
Likelihood Ratios 0.67 2.06 4.19 10.56
0–1 (n = 11,000) 9328 (84.8) 1292 (11.8) 344 (3.1) 36 (0.3) 17.6% (15.8, 19.5) 96.5% (96.1, 96.8) 44.8%/ 88.0% 3.7% (2.8, 4.7) 99.7% (99.5, 99.8) 64.0%/ 86.7%
≥2 (n = 1752) 1021 (58.3) 423 (24.1) 244 (13.9) 64 (3.7)
Likelihood Ratios 0.69 2.05 4.45 11.06
  1. Bold data are important result