Table 3 General physiological characteristics and performance data of the three Fast Triath triathlete GH1 genotype subgroups (n = 103) who completed the 2000 and/or 2001 South African Ironman triathlon.
| TT genotype (n = 29) | TA genotype (n = 50) | AA genotype (n = 24) | p Value | |
|---|---|---|---|---|
| Age (years) | 34.3 (7.0) (29) | 32.9 (6.3) (50) | 34.0 (5.7) (24) | 0.584 |
| Height (cm) | 180.4 (7.6) (27) | 180.1 (4.8) (46) | 180.1 (7.8) (23) | 0.985 |
| Weight (kg) | 75.9 (9.5) (29) | 74.6 (5.9) (50) | 73.6 (8.4) (23) | 0.551 |
| BMI (kg/m2) | 23.2 (1.6) (27) | 22.9 (1.7) (46) | 22.8 (1.8) (22) | 0.677 |
| Decrease in body weight (%) | −4.1 (1.4) (24) | −4.3 (1.7) (45) | −4.7 (1.7) (23) | 0.526 |
| Overall time (min) | 658 (61) (29) | 671 (42) (50) | 662 (39) (24) | 0.483 |
| Swim time (min) | 63 (11) (27) | 62 (8) (48) | 62 (8) (22) | 0.976 |
| Cycle time (min) | 351 (31) (27) | 357 (24) (46) | 353 (23) (21) | 0.582 |
| Run time (min) | 237 (28) (28) | 243 (20) (49) | 243 (25) (24) | 0.553 |
Values are expressed as mean (SD), with the number of subjects in the second set of parentheses. The decrease in body weight was calculated as the difference between the initial and final weight divided by the initial weight and expressed as a percentage.
BMI, Body mass index.