Classification of selected cardiopulmonary variables of elite athletes of different age, gender, and disciplines during incremental exercise testing

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Table 2 Peak values for maximum running speed, blood lactate, heart rate, and respiratory exchange ratio (♀ n = 241, ♂ n = 250)

Peak variable	♀		♂		P
Peak variable	Mean ± SD	95 % CI	Mean ± SD	95 % CI	P
v_peak (m s⁻¹)	3.86 ± 0.41	3.81–3.92	3.98 ± 0.45	3.92–4.04	0.004*
Peak blood lactate (mmol l⁻¹)	5.87 ± 1.93	5.62–6.12	5.82 ± 2.02	5.57–6.07	0.79
Peak heart rate (beats min⁻¹)	194 ± 8	193–195	193 ± 9	192–194	0.45
Peak respiratory exchange ratio	1.09 ± 0.07	1.08–1.10	1.08 ± 0.07	1.08–1.09	0.68