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Table 4 Mean lengths of stay for delirious and non-delirious patients (CAM-ICU) and the four categories of the NEECHAM Confusion Scale

From: A comparison of the CAM-ICU and the NEECHAM Confusion Scale in intensive care delirium assessment: an observational study in non-intubated patients

CAM-ICU

Mean length of stay in days (SD)

P valuea

NEECHAM scale

Mean length of stay in days (SD)

P valueb

Delirium

17.5 (14.5)

<0.001

Delirium

18.5 (15.1)

<0.001

   

Mild confusion

7.0 (6.1)

 

No delirium

5.0 (5.9)

 

At risk

4.0 (2.7)

 
   

Normal

2.8 (1.6)

 
  1. aP value was calculated with the independent t test. bP value was calculated with one-way analysis of variance. CAM-ICU, Confusion Assessment Method for the Intensive Care Unit; NEECHAM, Neelon and Champagne; SD, standard deviation.