Table 4.

Thigh and quadriceps muscle volume measured by MRI

Testosterone DoseBaselineWeek 20Change from BaselineP vs. zero change
Thigh muscle volume (overall ANOVA P = 0.0001)
25 mg753 ± 46739 ± 44−14 ± 100.1958
50 mg833 ± 53844 ± 5811 ± 80.2332
125 mg890 ± 49966 ± 6056 ± 100.0004
300 mg849 ± 39933 ± 3984 ± 120.0001
600 mg802 ± 45928 ± 48126 ± 120.0001
Quadriceps muscle volume (overall ANOVA P = 0.0001)
25 mg436 ± 30427 ± 27−9 ± 90.3524
50 mg489 ± 34493 ± 364 ± 70.5889
125 mg508 ± 29546 ± 3621 ± 50.0027
300 mg497 ± 25540 ± 2243 ± 90.0008
600 mg472 ± 27540 ± 3168 ± 80.0001
  • Values (in cm3) on each day represent the mean (±SE) of all available values on that day. However, the change represents the difference between paired values only.