Table 3a:

Number meeting various dementia algorithms and proportion with a cognitive test score indicating dementia among 112,917 KPWA participants

Algorithms met during follow-up	Total meeting algorithms	Additional added beyond those meeting Algorithm 1 when algorithm criteria are loosened		People who have an MMSE any time before or within 6 months aftera		Of those with MMSE, how many score 0–23 (dementia)
	n	n	%b	n	%c	n	%d
Algorithm 1, ≥2 dx codes for dementia within 1 year	7,191	NA	NA	1,067	14.8	693	65.0
Algorithm 2, ≥2 dx codes for dementia within 2 years	7,284	93	1.3	20	21.5	11	55.0
Algorithm 3, ≥1 dx codes for dementia ever	9,111	1920	26.7	234	12.2	118	50.4
Algorithm 1, ≥2 dx codes for dementia (not MCI) within 1 year	7,191	NA	NA	1,067	14.8	693	65.0
Algorithm 4, Algorithm 1 OR MCI within 1 year	8,014	823	11.4	155	18.8	44	28.4
Algorithm 1, ≥2 dx codes for dementia (not MCI) within 1 year	7,191	NA	NA	1,067	14.8	693	65.0
Algorithm 5, Algorithm 1 OR 1 dx code for dementia and ≥1 prescription(s) for dementia drug within 1 year	7,407	216	3.0	47	21.8	19	40.4
Algorithm 6, Algorithm 1 OR algorithm 5 OR 1dx code for dementia and ≥1 visit to relevant specialist	7,494	303	4.2	120	39.6	50	41.6

Abbreviations: KPWA: Kaiser Permanente Washington, MMSE: Mini-Mental Status Examination, dx: diagnosis

^aComparison shown visually in Figure 2

^bPercent of those meeting algorithm 1 (n=7,191)

^cPercent of the additional meeting algorithm when criteria are loosened

^dPercent of the people who have an MMSE score recorded, given that the algorithm was met