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Table 2 Shows parameters of performance and heart rates in means ± standard deviation. LTs calculated via method by Mader and Dickhuth and AT assessed via dT°. HR heart rate, bpm beats per minute, PO power output, Watt, LT lactate threshold, AT anaerobic threshold. Maximal expected heart rate calculated using the formula HRmax(expected)(bpm) = 208-(age x 0.7)

From: Estimation of anaerobic threshold by cardiac repolarization instability: a prospective validation study

  (A) all participants (n = 65) (B) professional athletes (n = 32) (C) amateur athletes (n = 33)
POmax (W) 262.3 ± 60.8 283.4 ± 49.5 241.8 ± 64.4
LTDickhuth: PO (W) 181.1 ± 45.6 196.2 ± 37.0 166.5 ± 48.8
LTDickhuth: %POmax 69.0 ± 6.4 69.2 ± 5.6 68.9 ± 7.2
LTMader: PO (W) 184.3 ± 52.4 198.6 ± 41.5 170.4 ± 58.6
LTMader: %POmax 69.7 ± 8.7 70.0 ± 8.0 69.5 ± 9.5
ATdT°: PO (W) 187.6 ± 44.4 204.1 ± 33.9 171.7 ± 47.9
ATdT°:%POmax 71.8 ± 6.8 72.3 ± 5.2 71.3 ± 8.0
LTDickhuth: HR (bpm) 152.8 ± 14.9 151.0 ± 15.7 154.3 ± 14.4
LTMader: HR (bpm) 153.1 ± 14.9 151.3 ± 15.8 154.6 ± 14.1
ATdT°: HR (bpm) 154.0 ± 14.2 151.7 ± 14.3 156.0 ± 14.1
HRmax(expected)(bpm) 192.4 ± 3.7 191.9 ± 3.8 192.9 ± 3.5
LTDickhuth: % HRmax(expected) 79.4 ± 7.2 78.7 ± 7.3 80.0 ± 7.2
LTMader: % HRmax(expected) 79.6 ± 7.3 78.9 ± 7.4 80.2 ± 7.3
ATdT°: % HRmax(expected) 80.0 ± 6.9 79.1 ± 6.6 80.9 ± 7.1