Table 1.

Characteristics of subjects

	Men (n = 102)	Women (n = 109)
Age, yr	46.7 ± 17.8	47.7 ± 16.5
Height, cm	169.7 ± 6.1	156.7 ± 5.9*
Body mass, kg	74.7 ± 11.5	63.9 ± 9.9*
BMI, kg/m2	25.9 ± 3.9	25.5 ± 4.3
V̇o2peak, ml⋅min−1⋅kg−1†	26.2 ± 6.1	23.3 ± 5.2‡
MHC-I, %	40.5 ± 11.7	50.3 ± 11.1*
MHC-IIa, %	35.8 ± 8.3	30.8 ± 8.2*
MHC-IIx, %	23.6 ± 9.2	19.0 ± 8.3*

BMI, body mass index; MHC, myosin heavy chain; V̇o_2peak, peak oxygen consumption. Data are expressed as means ± SD.

^*P < 0.001 vs. men.

^†Data are available in 53 and 64 in men and women, respectively.

^‡P < 0.01 vs. men.