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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 psychiatrists

Item 6 (seasons of year, backward)

Item 7 (minus calculation)

Role A

Role B

Role A

Role B

Inattention (yes)

Inattention (no)

Total

Inattention (yes)

Inattention (no)

Total

Inattention (yes)

Inattention (no)

Total

Inattention (yes)

Inattention (no)

Total

Inattention (yes)

33

13

46

34

12

46

38

8

46

38

8

46

Inattention (no)

127

474

601

132

469

601

211

390

601

210

391

601

Sensitivity

71.7% (58.7–84.8%)

73.9% (61.2–86.6%)

82.6% (71.7–93.6%)

82.6% (71.7–93.6%)

Specificity

78.9% (75.6–82.1%)

78.0% (74.7–81.3%)

64.9% (61.1–68.7%)

65.1% (61.2–68.9%)

Kappa

0.943

0.822

Pvalue

< 0.001

< 0.001

  1. Results are presented as number and estimate (95% confidence interval)