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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