Table 2 Physical characteristics across haemoglobin concentration ([Hb]) group (<10 g dl ^-1 ; Hb 10 to 12 g dl ^-1 ; Hb >12 g dl ^-1 )

N

Age (yr)

Height (cm)

Weight (kg)

BMI (kg m^-2)

Creatinine (μmol l^-1)

$\dot{\mathrm{V}}{\mathrm{O}}_2$ peak (ml min^-1)^a

$\dot{\mathrm{V}}{\mathrm{O}}_2$ peak (ml kg^-1 min^-1)^b

$\dot{\mathrm{V}}{\mathrm{O}}_2$ peak (ml kg^-0.83 min^-1)^{c, g}

AT (ml min^-1)^d

AT (ml kg^-1 min^-1)^e

AT (ml kg^-0.83 min^-1)^{f, g}

$\dot{\mathrm{V}}\mathrm{E}/\dot{\mathrm{V}}{\mathrm{O}}_2$

$\dot{\mathrm{V}}\mathrm{E}/\dot{\mathrm{V}}\mathrm{C}{\mathrm{O}}_2$