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. Author manuscript; available in PMC: 2014 Apr 22.

Published in final edited form as: Eur J Appl Physiol. 2011 Jan 23;111(9):2063–2068. doi: 10.1007/s00421-010-1821-z

Table 1.

Subject characteristics

Variable	Men	Women	Young	Old	Least fit	Most fit	Total sample
N	74	74	120	28	50	49	148
Age (years)	32.3 ± 15.2	28.6 ± 12.4	24.1 ± 3.8	57.7 ± 6.7	30.9 ± 13.8	27.8 ± 10.7	30.5 ± 13.9
Height (m)	1.79 ± 0.06^*	1.67 ± 0.06	1.73 ± 0.08	1.73 ± 0.08^*	1.70 ± 0.09	1.76 ± 0.08^*	1.73 ± 0.08
Body mass (kg)	83.9 ± 16.5	81.3 ± 24.0	82.5 ± 21.8	83.2 ± 14.4	99.2 ± 23.0	72.1 ± 10.1^*	82.6 ± 20.5
Body fat (%)	22.4 ± 9.2^*	35.0 ± 11.1	27.8 ± 12.4	32.6 ± 9.2	40.6 ± 9.1	17.9 ± 5.8^*	28.7 ± 12.0
Fat-free mass	64.1 ± 8.4^*	50.8 ± 8.7	57.9 ± 11.2	55.6 ± 8.9	57.9 ± 12.0	59.3 ± 9.6	57.4 ± 10.8
VO₂ peak (ml kg⁻¹ min⁻¹)	32.9 ± 9.8^*	23.9 ± 9.4	28.9 ± 10.8	26.1 ± 9.7	17.3 ± 3.3	41.0 ± 5.4^*	28.4 ± 10.6
Peak heart rate (beats min⁻¹)	177.6 ± 17.5	175.9 ± 18.4	179.7 ± 16.4	163.0 ± 18.8	166.3 ± 17.2	182.8 ± 16.0	176.8 ± 17.9

^*

Between-group comparisons significant at p < 0.001