Table 2.

Mean values at peak, VT₁, and VT₂.

Study			VO2 (L/min)	VO2 (ml/kg/min)	Work rate (W)	HR (beat/min)	RER (VO2:VCO2)	VE (L/min)
Values at peak	Overall		3.3 ± 0.9	43.2 ± 7.7	303.3 ± 76.4	177 ± 10	1.28 ± 0.08	140.0 ± 37.0
	Male vs. Female	Males	3.8 ± 0.6	45.8 ± 7.1	339.9 ± 48.4	178 ± 8	1.29 ± 0.07	156.4 ± 31.1
		Females	2.4 ± 0.4	37.8 ± 5.8	225.9 ± 66.5	177 ± 13	1.28 ± 0.09	105.3 ± 21.2
		value of P	<0.0001	<0.0001	<0.0001	0.74	0.48	<0.0001
Values at VT1	Overall		1.9 ± 0.5	25.2 ± 4.5	156.2 ± 43.9	137 ± 15	0.99 ± 0.06	52.0 ± 11.3
	Male vs. Female	Males	2.1 ± 0.4	25.7 ± 4.8	172.3 ± 39.8	134 ± 14	1.00 ± 0.05	55.6 ± 10.4
		Females	1.6 ± 0.3	24.0 ± 3.4	120.2 ± 28.9	144 ± 15	0.97 ± 0.08	44.5 ± 9.4
		value of P	<0.0001	0.04	<0.0001	<0.01	0.02	<0.0001
Values at VT2	Overall		2.6 ± 0.6	33.3 ± 6.3	213.8 ± 53.2	155 ± 17	1.10 ± 0.06	77.0 ± 15.3
	Male vs. Female	Males	2.8 ± 0.5	34.3 ± 6.3	234.3 ± 45.3	151 ± 17	1.10 ± 0.06	82.2 ± 13.7
		Females	2.1 ± 0.4	31.3 ± 6.0	167.7 ± 39.3	162 ± 13	1.10 ± 0.08	65.8 ± 12.1
		value of P	<0.0001	0.01	<0.0001	<0.01	0.88	<0.0001

VO₂, volume of oxygen; HR, heart rate; RER, respiratory exchange ratio; VE, ventilation; VT, ventilatory threshold.