Table 2 Demographics and proof-of-concept for the primary outcome measure of cerebral blood flow area under the curve.

From: A methodology for an acute exercise clinical trial called dementia risk and dynamic response to exercise

 

Younger (n = 9)

Older (n = 7)

Age, yrs

26 [23–29]

77 [71–81]

Female, %

5 (56%)

6 (86%)

Resting heart rate, bpm

79 [61–95]

62 [54–71]

Resting MAP, mmHg

88 [73–109]

94 [77–112]

Mean workload, Watts

89 [49–128]

30 [0–49]

Peak workload, Watts

96 [60–135]

31 [0–50]

MAP AUC, mmHg*min

2970 [2553–3193]

3646 [3349–3959]

CBF AUC, mL*100 g-1

2742 [1710–3729]

2308 [1926–2688]

  1. Values mean [range] unless otherwise noted. AUC measures are cumulative over the 34:48 min of MRI CBF acquisition.
  2. Bpm beats per minute, mmHg millimeters of mercury, CBF cerebral blood flow, MAP mean arterial pressure, AUC area under curve.
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