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Table 4 Utility of the key factors in identifying caregivers with high grief in the validation sample (n = 103). The optimal cut-off score is highlighted in bold

From: Development and validation of a simple screening tool for caregiver grief in dementia caregiving

Cut-off based on the number of key factors

Sensitivity

Specificity

False-negative rate

Number of caregivers

Number of caregivers with high grief (%) a

0 or more

1.00

0.00

0.00

103

11 (10.7)

1 or more

1.00

0.02

0.00

101

11 (10.9)

2 or more b

1.00

0.40

0.00

66

11 (16.7)

3 or more

0.46

0.85

0.55

19

5 (26.3)

4

0.09

1.00

0.91

1

1 (100.0)

AUROC (95% CI)

0.77 (0.66–0.88) c

   
  1. AUROC area under the receiver operating characteristics curve
  2. aHigh caregiver grief was defined as MM-CGI > 175
  3. bThe optimal cut-off score was selected based on the balance between sensitivity and specificity, with a preference for slightly higher sensitivity as the tool is intended primarily for screening purposes
  4. cP < 0.001