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Table 2 Mean (SD) 1500 m, 3000 m, 5000 m, 10,000 m and marathon best running times in (a) males and (b) females in the three ACE I/D genotypes

From: No association between ACTN3 R577X and ACE I/D polymorphisms and endurance running times in 698 Caucasian athletes

(a)
ACE I/D males DD
N = 314
32.4%
ID
N = 452
46.6%
II
N = 204
21.0%
Additive
(DD = 0, ID = 1, II = 2)
Recessive
(DD = ID = 0, II = 1)
 Running time 1500 m (s) 233.3 (16.4)
29.9%
235.1 (11.6)
45.8%
235.7 (13.1)
24.3%
p = 0.50 p = 0.67
 Running time 3000 m (s) 519.5 (28.0)
34.7%
517.7 (29.4)
43.7%
518.1 (24.7)
21.6%
p = 0.77 p = 0.93
 Running time 5000 m (s) 914.1 (62.9)
31.7%
918.9 (60.8)
48.0%
916.1 (53.4)
20.3%
p = 0.80 p = 0.93
 Running time 10,000 m (s) 1882.6 (101.3)
32.4%
1894.1 (116.6)
47.5%
1908.0 (132.1)
20.1%
p = 0.36 p = 0.45
 Running time marathon (s) 9181.8 (665.1)
32.4%
9213.7 (549.0)
47.0%
9155.3 (491.5)
20.6%
p = 0.85 p = 0.57
(b)
ACE I/D females DD
N = 127
28.4%
ID                 N = 229
51.2%
II
N = 91
20.4%
Additive
(DD = 0, ID = 1, II = 2)
Recessive
(DD = ID = 0, II = 1)
 Running time 1500 m (s) 268.7 (11.8)
37.5%
271.1 (18.8)
45.8%
263.9 (14.5)
16.7%
p = 0.65 p = 0.32
 Running time 3000 m (s) 595.1 (31.2)
27.0%
612.9 (41.2)
53.9%
617.9 (40.2)
19.1%
p = 0.05 p = 0.30
 Running time 5000 m (s) 1062.1 (65.0)
26.0%
1057.2 (103.0)
50.6%
1052.9 (95.9)
23.4%
p = 0.76 p = 0.81
 Running time 10,000 m (s) 2140.8 (112.6)
30.6%
2090.4 (170.3)
52.8%
2095.1 (184.6)
16.7%
p = 0.48 p = 0.85
 Running time marathon (s) 10,604.3 (560.9)
27.4%
10,765.9 (740.0)
51.3%
10,771.1 (707.8)
21.3%
p = 0.21 p = 0.61
  1. All running times are expressed in seconds because statistical analyses were performed on times converted to seconds. The last two columns of the table correspond to the p-value of the linear regression, using an additive or a recessive genetic model. The percentage values represent the genotype proportions