Table 4.
Body fat and age-adjusted 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) |
Adj. p-Value | |
|---|---|---|---|---|
| Entire Sample (n = 301) | n = 32 | n = 84 | n = 185 | * |
| Plank 1 (s) | 80.5 ± 33.2 | 88.3 ± 41.0 | 86.0 ± 37.8 | 0.62 |
| Push ups 1 (repetitions) | 26.6 ± 11.9 | 26.3 ± 8.0 | 26.8 ± 10.2 | 0.94 |
| Total grip strength 2 (kg) | 120.9 ± 22.9 | 119.8 ± 16.1 | 119.2 ± 17.6 | 0.87 |
| Bruce Treadmill Test Duration 3 (s) | 527.0 ± 94.9 | 554.3 ± 97.7 | 546.9 ± 94.9 | 0.37 |
| No Obesity (n = 236) | n = 20 | n = 63 | n = 153 | # |
| Plank 4 (s) | 72.3 ± 39.4 | 85.9 ± 40.0 | 94.2 ± 42.5 | 0.06 |
| Push ups 4 (repetitions) | 26.2 ± 11.9 | 27.0 ± 8.0 | 29.5 ± 10.3 | 0.14 |
| Total grip strength 5 (kg) | 123.2 ± 22.0 | 120.7 ± 15.8 | 118.9 ± 16.9 | 0.52 |
| Bruce Treadmill Test Duration 6 (s) | 516.9 ± 92.7 | 563.7 ± 93.5 | 569.5 ± 103.2 | 0.08 |
| Obesity (n = 65) | n = 12 | n = 21 | n = 32 | # |
| Plank 7 (s) | 71.5 ± 23.2 | 77.7 ± 45.6 | 67.1 ± 27.5 | 0.58 |
| Push ups 7 (repetitions) | 19.9 ± 8.0 | 18.8 ± 7.1 | 19.8 ± 9.1 | 0.90 |
| Total grip strength 8 (kg) | 117.0 ± 23.8 | 118.2 ± 14.4 | 119.6 ± 20.5 | 0.92 |
| Bruce Treadmill Test Duration (s) | 488.9 ± 99.3 | 488.4 ± 88.7 | 485.0 ± 73.9 | 0.99 |
*: Body-fat and age-adjusted; #: age-adjusted; 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).