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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