From: Association between the angiotensin I-converting enzyme gene insertion/deletion polymorphism and endurance running speed in Japanese runners
Study cohort
Genotype
I/I
I/D
D/D
I/I + I/D
D/D + I/D
Elite runners
n
19
10
8
29
18
Age (years)
42 ± 10
42 ± 7
40 ± 5
42 ± 9
41 ± 6
Non-athletes
155
146
34
301
180
63 ± 18
65 ± 17