Test-retest reliability and validity of vagally-mediated heart rate variability to monitor internal training load in older adults: a within-subjects (repeated-measures) randomized study

Table 2 Demographic characteristics of the study population

	Total Sample (n = 43)
Age [years]	67.0 (7.0)
Sex [% females]	58.1 (25 females, 18 males)
Body mass index [kg·m⁻²]	23.7 ± 3.0
Physical Activity [min ⋅ week⁻¹]	330 (260)
Intake of cardioactive medication [% of participants]	34.9
Qmci total score	79.1 ± 8.5

Data is reported as mean ± standard deviation for data fulfilling all the assumptions that would subsequently justify parametric statistical analyses and median (interquartile range) for data violating these assumptions
Abbreviations: Qmci Quick mild cognitive impairment screen

ISSN: 2052-1847