Table 1.

Participant characteristics.

	All (n=70)	APOE4 (+) (n=20)	APOE4 (−) (n=50)
Age (years)	71±5 [65–87]	71±7 [65–87]	71±5 [65–81]
Workload (W/kg BW)	0.80±.0.27 [0.20–1.46]	0.81±.0.39 [0.20–1.46]	0.80±.0.21 [0.24–1.17]
Gender	F=47 M=23	F=13 M=7	F=34 M=16
MMSE	28.6±1.8 [22.0–30.0]	28.6±1.4 [25.0–30.0]	28.7±2.0 [22.0–30.0]
Aβ Deposition	1.09±.17 [0.86 to 1.6]	1.16±.17 [ 0.98 to 1.6]	1.07±.17 [0.86 to 1.6]
CVR	5.55±5.29 [−13.00 to 21.88]	5.18±4.58 [−3.57 to 13.78]	5.69±5.58 [−13.00 to 21.88]
Stroop ratio	0.52±.12 [0.29 to 1.0]	0.51±.12 [0.33 to 0.82]	0.53±.17 [0.29 to 1.00]

MMSE = Mini-Mental State Exam; Aβ = amyloid-beta; CVR = cerebrovascular response to moderate-intensity aerobic exercise; Aβ = amyloid-beta; [Range]; W= Watts at moderate intensity exercise workload; kg BW = kilograms of body weight. Values are depicted as mean ± SD.