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Table 3 Receiver-operating characteristics (ROC) analysis. Cut-off values, sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), and odds ratios (ORs) with 95 % confidence intervals (95 % CI) for Instrumental Activities of Daily Living (IADL) and Mini Mental State Examination (MMSE) for predicting institutionalized living arrangement at 1 year after fragility hip fracture

From: Does cognitive/physical screening in an outpatient setting predict institutionalization after hip fracture?

Cut-offs

Sensitivity

Specificity

PPV

NPV

OR

(95 % CI)

IADL

 2

92.9 %

69.5 %

0.388

0.979

29.6 (12.6–69.7)

 3

98.8 %

57.3 %

0.325

0.996

111.5 (15.4–808.7)

 4

98.8 %

49.1 %

0.288

0.995

80.2 (11.1–581.5)

 5

100 %

38.0 %

0.251

1.000

Undefined

MMSE

 10

22.8 %

96.3 %

0.293

0.865

7.7 (3.7–16.1)

 15

55.7 %

86.5 %

0.444

0.909

8.0 (4.7–13.6)

 20

83.5 %

65.0 %

0.317

0.953

9.4 (5.0–17.7)

 25

96.2 %

29.3 %

0.209

0.975

10.5 (3.3–34.0)