Table 5 Pearson Inter-item correlation coefficients of NEECHAM Confusion Scale (n = 54 patients, 194 test occasions)

Attention

1.0000

Command

0.8428

1.0000

Orientation

0.7955

0.8421

1.0000

Appearance

0.6190

0.7076

0.6670

1.0000

Motor

0.6998

0.7811

0.7526

0.6631

1.0000

Verbal

0.8155

0.8830

0.8223

0.6831

0.7805

1.0000

Vital

-0.1329

-0.0950

-0.0893

0.0049

-0.0434

-0.0691

1.0000

Oxygen

0.1274

0.1346

0.1725

0.0869

0.1815

0.1321

0.1995

1.0000

Continence

0.4756

0.5056

0.5384

0.3791

0.4620

0.4748

0.0856

0.0766

1.0000