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Table 4 One-Year Long-Term Institutionalization [LTI] at Different Thresholds by JFI and ADL Groupings, 2004 NLTCS Community Sample (n = 12,563)Footnote

Excludes prevalent LTI cases and deaths.

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

Outcome

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

No LTI (n = 12,407)

10,169 (82.0)

1634 (13.2)

518 (4.2)

86 (0.7)

17.3% (11.9, 24.4)

95.1% (94.7–95.5)

4.3%/ 98.9%

2.6% (0.8, 6.8)

99.3% (99.1, 99.4)

4.4%/ 98.8%

LTI (n = 156)

96 (61.5)

33 (21.2)

23 (14.7)

4 (2.6)

Likelihood Ratios

0.75

1.61

3.50

3.71

Outcome

ADL = 0

ADL 1–2

ADL 3–4

ADL 5–6

ADL Dependencies ≥3

ADL Dependencies ≥5

No LTI (n = 12,407)

10,281 (82.9)

1017 (8.2)

609 (4.9)

500 (4.0)

45.5% (37.6, 53.7)

91.1% (90.5, 91.6)

6.0%/ 99.3%

23.1% (16.9, 30.6)

96.0% (95.6, 96.3)

6.7%/ 99.0%

LTI (n = 156)

58 (37.2)

27 (17.3)

35 (22.4)

36 (23.1)

Likelihood Ratios

0.45

2.11

4.57

5.78

  1. Bold data are important result