Comparison of the lowest and highest fT tertiles and their associated athletic performances in female running events
| Event | n | All athletes | Lowest fT tertile | Highest fT tertile |
| 100 m | ||||
| Time s | 112 | 11.88 (0.88) | 11.78 (0.83) | 12.09 (0.97) |
| fT pmol/L | (1.4–32.8) | (1.4–8.2) | (12.1–32.8) | |
| T nmol/L | 0.90 (0.52) | 0.53 (0.18) | 1.32 (0.63) | |
| 100 m H | ||||
| Time s | 73 | 13.15 (0.48) | 13.02 (0.46) | 13.24 (0.54) |
| fT pmol/L | (1.0–29.6) | (1.0–6.6) | (9.9–29.6) | |
| T nmol/L | 0.75 (0.33) | 0.52 (0.20) | 0.92 (0.34) | |
| 200 m | ||||
| Time s | 71 | 23.43 (0.90) | 23.28 (0.74) | 23.65 (1.11) |
| fT pmol/L | (1.0–28.2) | (1.0–6.3) | (11.1–28.2) | |
| T nmol/L | 0.78 (0.48) | 0.47 (0.15) | 1.11 (0.62) | |
| 400 m | ||||
| Time s | 67 | 52.23 (2.56) | 52.60 (3.30) | 51.16 (1.06)* |
| fT pmol/L | (1.2–124.4) | (1.2–6.5) | (13.0–124.4) | |
| T nmol/L | 2.82 (7.41) | 0.45 (0.21) | 7.08 (11.64) | |
| 400 m H | ||||
| Time s | 67 | 56.34 (2.65) | 57.38 (3.53) | 55.78 (1.60)* |
| fT pmol/L | (1.4–174.5) | (1.4–7.9) | (12.4–174.5) | |
| T nmol/L | 1.03 (1.13) | 0.54 (0.26) | 1.68 (1.63) | |
| 800 m | ||||
| Time s | 64 | 121.80 (5.42) | 122.68 (3.71) | 120.50 (2.90)* |
| fT pmol/L | (1.1–469.3) | (1.1–7.0) | (12.2–469.3) | |
| T nmol/L | 1.47 (4.03) | 0.40 (0.14) | 3.26 (6.60) | |
| 1500 m | ||||
| Time s | 66 | 250.16 (6.42) | 250.00 (3.23) | 250.65 (7.10) |
| fT pmol/L | (0.6–48.7) | (0.6–7.0) | (10.8–48.7) | |
| T nmol/L | 0.79 (0.49) | 0.50 (0.27) | 1.12 (0.62) | |
| 3000 m SC | ||||
| Time s | 56 | 581.61 (17.39) | 579.81 (17.74) | 581.03 (18.70) |
| fT pmol/L | (2.0–43.2) | (2.0–4.9) | (8.0–43.2) | |
| T nmol/L | 0.73 (0.54) | 0.39 (0.15) | 1.20 (0.66) | |
| 5000 m | ||||
| Time s | 40 | 932.67 (39.73) | 932.80 (32.4) | 935.80 (48.30) |
| fT pmol/L | (2.8–51.8) | (2.8–6.1) | (8.0–51.8) | |
| T nmol/L | 0.73 (0.59) | 0.41 (0.14) | 1.07 (0.84) | |
| 10 000 m | ||||
| Time s | 33 | 1912.6 (55.6) | 1903.6 (61.8) | 1913.8 (50.6) |
| fT pmol/L | (2.7–26.4) | (2.7–4.5) | (9.0–26.4) | |
| T nmol/L | 0.59 (0.27) | 0.33 (0.13) | 0.85 (0.21) | |
| Marathon | ||||
| Time s | 92 | 9726.6 (790.9) | 9921.3 (1018.9) | 9620.1 (736.5) |
| fT pmol/L | (2.1–363.6) | (2.1–5.6) | (9.0–363.6) | |
| T nmol/L | 0.97 (2.55) | 0.41 (0.14) | 1.85 (4.23) | |
Data are presented as mean (SD) or (min–max).
Different from the lowest fT tertile: *p<0.05.
fT, free testosterone; H, hurdles; SC, Steeple Chase; T, testosterone.