Development of a video-simulation instrument for assessing cognition in older adults

Table 1 Phase 2: Mean scores of modules across two time points

Computer Module Parameter	Time 1			Time 2
Computer Module Parameter	CN^a (n = 10)	CI ^a (n = 8)	P-value^b	CN (n = 10)	CI (n = 8)	P-value
ATM: % PIN correct 1st attempt	38	20	0.41	70	20	0.02
ATM: Mean PIN attempts until correct	2	2.1	0.38	1.6	2	0.10
ATM: % successful withdrawals	50	10	0.06	80	20	0.007
Faces & Names: Mean total correct (max = 16)	11.25	8.3	0.006	11.8	6.7	0.0001
Face Recognition: Mean total correct (max = 3)	2.6	1.5	0.009	2.7	1.6	0.003
Automated Prescription Renewal: % successful dialing 1st attempt	75	50	0.28	60	80	0.33
Automated Prescription Renewal: % successful Rx# on 1st attempt	25	10	0.39	50	0.0	0.009
Pillbox: % correct placement (Pill #1)	63	10	0.02	80	20	0.007
Pillbox: % correct placement (Pill #2)	100	40	0.007	80	40	0.070
Pillbox: % correct placement (Pill #3)	86	30	0.01	90	50	0.05

^aCN = Cognitively normal; CI = Cognitively impaired
^bStatistical significant results are shown in boldface
Italicized p-value indicates significance at 0.05 level between CN and CI at a given time point

ISSN: 1472-6947