Use of the Cognitive Performance Test for Identifying Deficits in Hospitalized Older Adults

Table 3

Designation of functional impairment: Phi test of CPT and SMMSE.

CPT total score	SMMSE designation		Total
	0–26 Impaired	>26 (Unimpaired)
<4.5 (impaired)	16	3	19
4.5 or higher (unimpaired)	14	14	28
Total	30	17	47

Phi = 0.35; 𝑃=0.02.