Table 3.

Characteristics of the comparators and outcomes (N=16).

Study	Comparator	Duration (minutes)	Frequency (times per week)	Period (weeks)	Outcome measures	Follow-up	Attritions, N
Finn and McDonald [31]	Control	N/Aa	N/A	N/A	D-KEFS-NSb	After the intervention	7
Robert et al [32]	Control	N/A	N/A	N/A	TMT-Ac, SCWTd, and WAIS-R-Dsye	After the intervention; 12-week follow-up	NRf
Savulich et al [33]	Control	N/A	N/A	N/A	CANTAB-CRTg	After the intervention	0
Valdes et al [34]	Control	N/A	N/A	N/A	UFOVh	After the intervention; 52-, 104-, 156-, and 261-week follow-up	NR
Yang and Kwak [35]	Control	N/A	N/A	N/A	GnGi and SCWT	After the intervention	0
Thapa et al [36]	Control	N/A	N/A	N/A	TMT-A and SDSTj	After the intervention	2
Tarnanas et al [37]	Control and conventional cognitive activities	90	2	21	SCWT	After the intervention	9
Fiatarone Singh et al [38]	Control, conventional exercises+sham cognitive training, and serious games+conventional exercises	Control: 75; conventional exercises+sham cognitive training: 100; serious games+conventional exercises: 60	2	25	SDMTk	After the intervention; 74-week follow-up	14
Amjad et al [39]	Conventional exercises	25 to 30	5	6	TMT-A	After the intervention	6
Wiloth et al [40]	Conventional exercises	60	2	10	TMT-A	After the intervention; 12-week follow-up	26
Van Santen et al [41]	Conventional exercises	N/A	5	25	TMT-A	Midintervention and after the intervention	28
Karssemeijer et al [42]	Conventional exercises (aerobic exercises); conventional exercises (relaxation and flexibility exercises)	30 to 50	3	12	TMT-A and SCWT	Midintervention and after the intervention; 24-week follow-up	23
Liao et al [43]	Conventional exercises	60	3	12	SCWT	After the intervention	15
Flak et al [44]	Nonadaptive serious game	30 to 40	5	5	D-KEFS-CWIT1l and D-KEFS-CWIT2m	After the intervention; 4- and 16-week follow-up	17
Hyer et al [45]	Nonadaptive serious game	40	7	5 to 7	TMT-A	After the intervention; 12-week follow-up	9
Park and Park [46]	Exergames	30	3	10	SCWT	After the intervention	0

^aN/A: not applicable.

^bD-KEFS-NS: Delis-Kaplan Executive Function System Test Battery-Number Sequencing.

^cTMT-A: Trail Making Test A.

^dSCWT: Stroop Color and Word Test.

^eWAIS-R-Dsy: Wechsler Adult Intelligence Scale-Revised-Digit Symbol.

^fNR: not reported.

^gCANTAB-CRT: Cambridge Neuropsychological Test Automated Battery-Choice Reaction Time.

^hUFOV: Useful Field of View test.

ⁱGnG: go-no go.

^jSDST: Symbol Digit Substitution Test.

^kSDMT: Symbol Digit Modalities Test.

^lD-KEFS-CWIT1: Delis-Kaplan Executive Function System Color-Word Interference Test 1.

^mD-KEFS-CWIT2: Delis-Kaplan Executive Function System Color-Word Interference Test 2.