New relative intensity ambulatory accelerometer thresholds for elderly men and women: the Generation 100 study

Table 2 CPET values during maximal exertion

Variable	N	Mean ± SD
		Men	Women
VO_2max (ml · min⁻¹ · kg⁻¹)	97	31.0 ± 6.5	26.3 ± 5.1^a
VO_2max (L · min⁻¹)	97	2.480 ± 0.557	1.755 ± 0.262^a
VE_max (L · min⁻¹)	97	92.7 ± 18.7	61.2 ± 9.9^a
RER_max (VCO_2max/VO_2max)	97	1.16 ± 0.7	1.12 ± 0.60^a
HR_max (beats · min⁻¹)	97	151 ± 13	157 ± 13^a
Treadmill inclination at max (%)	97	13 ± 4	12 ± 3
Speed at max (km · h⁻¹)	97	5.6 ± 0.9	5.2 ± 0.6^a

Values are presented as mean ± standard deviation (SD)
Abbreviations: VO_2max maximal oxygen uptake, VE_max maximal pulmonary ventilation, RER_max maximal respiratory exchange ratio, HR_max Maximal heart rate
^astatistically significant difference between sexes (p < 0.05)