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Table 2 Validation of the Identification and Intervention for Dementia in Elderly Africans (IDEA) cognitive screen in 2013: Sensitivity, specificity, LR and PPV

From: Validation of the Identification and Intervention for Dementia in Elderly Africans (IDEA) cognitive screen in Nigeria and Tanzania

 

Nigerian outpatients

Tanzanian outpatients

Tanzanian inpatients

AUROC curve

0.990

0.919

0.917

Cut-off of ≤ 7

100% sensitivity

61.5% sensitivity

90.9% sensitivity

96.3% specificity

93.5% specificity

87.5% specificity

27.0 LR

9.5 LR

7.3 LR

75.0% PPV

-

78.9% PPV

Cut-off of ≤ 8

100% sensitivity

84.6% sensitivity

93.9% sensitivity

91.7% specificity

89.1% specificity

81.3% specificity

12.0 LR

7.8 LR

5.0 LR

57.1% PPV

-

72.1% PPV

  1. AUROC = area under the receiver operating characteristic.
  2. PPV = positive predictive value.
  3. LR = likelihood ratio.
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BMC Geriatrics

ISSN: 1471-2318

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