Long-Term Follow-Up of Cognitive Function and Activities of Daily Living in Older People: A Feasibility Study in the PROSPER Cohort

Table 1: Cognitive Function and Deaths

	Total	Placebo	Pravastatin
^TICSm <21/40	16/78	6/38	10/40
^IQCODE ≥ 3.38	2/3	2/3	0/0
GP diagnosis of dementia	10	6	4
Total with known significant cognitive impairment (of the 91^* were alive and contacted directly or via a caregiver and those whose GP diagnosed dementia)	28/91 (31%)	14/47 (30%)	14/44 (32%)
Total deceased (of the 267 who were not lost to follow-up)	135/267 (51%)	65/131 (50%)	70/136 (52%)

^* Although 132 participants were potentially contactable 41 did not take part in phone interviews or their caregiver did not respond to questionnaire.

TICSm = Telephone Interview Cognitive Status (modified).

IQCODE = Informant Questionnaire on Cognitive decline in the Elderly.