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Table 4 Validation of adapted items 6 and 7 assessment

From: Cross-cultural adaptation and validation of the 3D-CAM Chinese version in surgical ICU patients

Reference standard by psychiatristsItem 6 (seasons of year, backward)Item 7 (minus calculation)
Role ARole BRole ARole B
Inattention (yes)Inattention (no)TotalInattention (yes)Inattention (no)TotalInattention (yes)Inattention (no)TotalInattention (yes)Inattention (no)Total
Inattention (yes)3313463412463884638846
Inattention (no)127474601132469601211390601210391601
Sensitivity71.7% (58.7–84.8%)73.9% (61.2–86.6%)82.6% (71.7–93.6%)82.6% (71.7–93.6%)
Specificity78.9% (75.6–82.1%)78.0% (74.7–81.3%)64.9% (61.1–68.7%)65.1% (61.2–68.9%)
Kappa0.9430.822
Pvalue< 0.001< 0.001
  1. Results are presented as number and estimate (95% confidence interval)