Table 1.

Subject characteristics.

	Low-Fit (N = 16)	High-Fit (N = 15)
Age (y)	24.0 (21.3–25.5)	21.8 (21.6–23.7)
Weight (kg)	59.2 ± 7.2	61.2 ± 7.0
Height (m)	1.63 ± 0.08	1.68 ± 0.05 *
Fat mass (% of weight)	28.9 ± 3.9	25.1 ± 4.4 *
$\stackrel{·}{\mathrm{V}}$O2peak (mL/kg/min)	35.1 (32.2–35.7)	50.4 (49.0–54.0) ****
Baecke total score	7.3 ± 1.0	9.5 ± 0.8 ****
Hemoglobin (mmol/L)	8.4 ± 0.6	8.5 ± 0.6
Use of birth control pill	6/16	7/15
If not; 17β-estradiol (pmol/L)	470.9 (337.2–590.1)	217.4 (109.1–895.2)

$\stackrel{·}{\mathrm{V}}$O₂peak = maximal oxygen consumption values. Values are mean ± SD for normally distributed data, and median [IQR] for not normally distributed data. * p < 0.05, **** p < 0.0001.