Table 3.
Comparison of physical fitness data based on serum total testosterone category for the whole sample and broken down by the presence of obesity.
| Low TT (<264 ng/dL) |
Borderline TT (264–399 ng/dL) |
Reference Range TT (400–916 ng/dL) |
p-Value | |
|---|---|---|---|---|
| Whole Sample (n = 301) | n = 32 | n = 84 | n = 185 | |
| Plank 1 (s) | 72.5 ± 33.3 a | 83.9 ± 41.2 | 89.4 ± 40.9 | 0.05 |
| Push ups 1 (repetitions) | 23.2 ± 11.8 a | 25.1 ± 8.7 a | 27.9 ± 10.8 | 0.02 |
| Total grip strength 2 (kg) | 119.7 ± 22.5 | 120.0 ± 16.1 | 119.3 ± 17.6 | 0.95 |
| Bruce Treadmill Test Duration 3 (s) | 497.9 ± 94.0 a,b | 544.6 ± 100.4 | 556.3 ± 99.9 | 0.01 |
| No Obesity (n = 236) | n = 20 | n = 63 | n = 153 | |
| Plank 4 (s) | 73.1 ± 38.6 | 85.9 ± 38.8 | 94.1 ± 41.9 | 0.06 |
| Push ups 4 (repetitions) | 24.9 ± 12.9 | 27.0 ± 8.1 | 29.7 ± 10.4 | 0.07 |
| Total grip strength 5 (kg) | 121.0 ± 22.6 | 120.6 ± 15.9 | 119.3 ± 17.0 | 0.83 |
| Bruce Treadmill Test Duration 6 (s) | 504.0 ± 89.5 a,b | 563.8 ± 95.8 | 572.0 ± 98.4 | 0.01 |
| Obesity (n = 65) | n = 12 | n = 21 | n = 32 | |
| Plank 7 (s) | 71.6 ± 22.1 | 77.7 ± 48.5 | 67.0 ± 26.9 | 0.63 |
| Push ups 7 (repetitions) | 20.0 ± 9.3 | 18.9 ± 7.9 | 19.7 ± 9.0 | 0.93 |
| Total grip strength 8 (kg) | 117.3 ± 23.0 | 118.2 ± 16.9 | 119.5 ± 20.5 | 0.95 |
| Bruce Treadmill Test Duration (s) | 487.8 ± 104.5 | 488.9 ± 94.5 | 485.1 ± 73.1 | 0.99 |
a Significantly different when compared to the Reference Range group (bias-corrected accelerated bootstrapping post-hoc p-value); b Significantly different when compared to the borderline group; Different sample sizes for the variables: 1 Low TT (n = 31), Borderline TT (n = 82), and Reference Range TT (n = 183); 2 Low TT (n = 31); 3 Borderline TT (n = 82); 4 Borderline TT (n = 62) and Reference Range TT (n = 151); 5 Reference Range TT (n = 152); 6 Borderline TT (n = 61); 7 Low TT (n = 11) and Borderline TT (n = 20); 8 Low TT (n = 11).