TABLE 4.
Training vs. test results
| Training |
Test |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Outcome | N | R2 | LCL | UCL | RMSE | N | R2 | LCL | UCL | RMSE |
| Total fat mass | 104 | 0.96 | 0.94 | 0.97 | 1.83 | 47 | 0.93 | 0.89 | 0.95 | 2.60 |
| Total fat-free mass | 104 | 0.98 | 0.97 | 0.98 | 1.83 | 47 | 0.95 | 0.92 | 0.96 | 2.80 |
| Total percent fat | 104 | 0.83 | 0.77 | 0.87 | 3.87 | 47 | 0.70 | 0.53 | 0.79 | 4.71 |
| Fat mass index | 105 | 0.96 | 0.94 | 0.96 | 0.84 | 47 | 0.90 | 0.84 | 0.93 | 1.10 |
| Fat-free mass index | 104 | 0.91 | 0.88 | 0.93 | 0.80 | 47 | 0.81 | 0.69 | 0.86 | 1.24 |
| Visceral body fat | 104 | 0.92 | 0.90 | 0.94 | 0.15 | 47 | 0.89 | 0.82 | 0.92 | 0.19 |
| Trunk fat | 103 | 0.94 | 0.92 | 0.95 | 1.04 | 48 | 0.92 | 0.87 | 0.95 | 1.51 |
| Trunk fat-free | 102 | 0.96 | 0.95 | 0.97 | 1.26 | 49 | 0.95 | 0.92 | 0.96 | 1.48 |
| Arm fat | 103 | 0.92 | 0.89 | 0.94 | 0.18 | 49 | 0.90 | 0.84 | 0.93 | 0.22 |
| Arm fat-free | 101 | 0.92 | 0.89 | 0.93 | 0.24 | 47 | 0.89 | 0.82 | 0.92 | 0.29 |
| Leg fat | 111 | 0.92 | 0.89 | 0.94 | 0.58 | 48 | 0.86 | 0.77 | 0.90 | 0.64 |
| Leg fat-free | 103 | 0.94 | 0.91 | 0.95 | 0.66 | 48 | 0.95 | 0.91 | 0.96 | 0.58 |
Participants in test group were not used to build training model. Test group validated equations derived from training group.
LCL, lower control limit; RMSE, root mean square error; UCL, upper control limit.