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Table 2 The 100-m, 200-m and 400-m best sprint times (average±SD) in males according to ACE I/D genotype distribution

From: ACTN3 R577X and ACE I/D gene variants influence performance in elite sprinters: a multi-cohort study

  Caucasians African Ancestry
Running event/Genotype DD ID II XX + II + ID DD ID II
100 m Male 10.62 ± 0.32
(n = 33)
10.60 ± 0.29
(n = 28)
10.70 ± 0.30
(n = 13)
10.63 ± 0.29
(n = 42)
10.07 + 0.38
(n = 5)
10.27 + 0.32
(n = 13)
10.35 + 0.49
(n = 6)
200 m Male 21.33 ± 0.56
(n = 27)
21.25 ± 0.51
(n = 24)
21.93 ± 0.67**
(n = 11)
21.47 ± 0.64**
(n = 36)
20.53 + 0.70
(n = 9)
20.47 + 0.57
(n = 11)
21.16 + 0.42
(n = 4)
400 m Male 46.94 ± 1.19
(n = 35)
47.24 ± 1.40
(n = 43)
48.50 ± 1.07**
(n = 11)
47.49 ± 1.44**
(n = 58)
46.57 + 1.7
(n = 11)
47.08 + 1.29
(n = 7)
46.85 + 1.52
(n = 4)
  1. **200-m (DD vs. ID vs. II) P < 0.004; **400-m (DD vs. ID vs. II) P < 0.003
  2. **200-m (RR + DD + RX see Table 1 vs. XX + II + ID) P < 0.002; **400-m (RR + DD + RX see Table 1 vs. XX + II + ID) P < 0.001