Table 4.

Pearson Item-total correlation coefficients of NEECHAM Confusion Scale (n= 54 patients, 194 test occasions)

NEECHAM item	Corrected item-total correlation	Total alpha if item is deleted
Attention	0.8148	0.8550
Command	0.8827	0.8448
Orientation	0.8579	0.8484
Appearance	0.7113	0.8701
Motor	0.8031	0.8537
Verbal	0.8689	0.8499
Vital	-0.0403	0.9091
Oxygen	0.1799	0.8982
Continence	0.5408	0.8777