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Table 3 Utility of the key factors in identifying caregivers with high grief in the derivation sample (n = 300). 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 0.00 300 54 (18.0)
1 or more 1.00 0.05 0.00 288 54 (18.8)
2 or more b 0.91 0.42 0.09 192 49 (25.5)
3 or more 0.43 0.93 0.57 40 23 (57.5)
4 0.06 1.00 0.94 4 3 (75.0)
AUROC (95% CI) 0.76 (0.70–0.82) 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