Table 2.
Age- and sex-specific reference percentiles for FMI and FFMI in Tyrolean adolescents aged 14–19 years for boys and girls
| Boys | Girls | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Age | L | S | 3rd | 10th | 25th | 50th (M) | 75th | 90th | 97th | L | S | 3rd | 10th | 25th | 50th (M) | 75th | 90th | 97th | |
| FMI | 14.0 | 0.386 | 0.619 | 0.6 | 1.2 | 1.9 | 3.0 | 4.5 | 6.1 | 8.0 | 0.428 | 0.401 | 2.1 | 2.9 | 3.9 | 5.1 | 6.6 | 8.2 | 9.9 |
| 14.5 | 0.368 | 0.611 | 0.7 | 1.2 | 2.0 | 3.1 | 4.5 | 6.2 | 8.1 | 0.408 | 0.403 | 2.1 | 2.9 | 3.9 | 5.2 | 6.7 | 8.3 | 10.0 | |
| 15.0 | 0.336 | 0.596 | 0.8 | 1.3 | 2.1 | 3.2 | 4.6 | 6.3 | 8.2 | 0.373 | 0.408 | 2.1 | 2.9 | 3.9 | 5.2 | 6.8 | 8.5 | 10.3 | |
| 15.5 | 0.308 | 0.583 | 0.9 | 1.4 | 2.1 | 3.3 | 4.7 | 6.4 | 8.4 | 0.342 | 0.413 | 2.2 | 3.0 | 4.0 | 5.3 | 6.9 | 8.6 | 10.6 | |
| 16.0 | 0.276 | 0.569 | 0.9 | 1.5 | 2.2 | 3.4 | 4.8 | 6.5 | 8.6 | 0.307 | 0.418 | 2.2 | 3.0 | 4.0 | 5.4 | 7.0 | 8.8 | 10.9 | |
| 16.5 | 0.248 | 0.556 | 1.0 | 1.6 | 2.3 | 3.4 | 4.9 | 6.6 | 8.7 | 0.276 | 0.422 | 2.2 | 3.0 | 4.0 | 5.4 | 7.1 | 9.0 | 11.1 | |
| 17.0 | 0.216 | 0.543 | 1.1 | 1.7 | 2.4 | 3.5 | 5.0 | 6.7 | 8.9 | 0.241 | 0.427 | 2.3 | 3.1 | 4.1 | 5.5 | 7.3 | 9.2 | 11.5 | |
| 17.5 | 0.187 | 0.531 | 1.2 | 1.7 | 2.5 | 3.6 | 5.1 | 6.9 | 9.0 | 0.210 | 0.432 | 2.3 | 3.1 | 4.1 | 5.6 | 7.4 | 9.4 | 11.8 | |
| 18.0 | 0.156 | 0.518 | 1.3 | 1.8 | 2.6 | 3.7 | 5.2 | 7.0 | 9.2 | 0.175 | 0.437 | 2.3 | 3.1 | 4.2 | 5.6 | 7.5 | 9.6 | 12.1 | |
| 18.5 | 0.127 | 0.507 | 1.4 | 1.9 | 2.7 | 3.8 | 5.3 | 7.1 | 9.3 | 0.144 | 0.442 | 2.3 | 3.1 | 4.2 | 5.7 | 7.6 | 9.8 | 12.5 | |
| 19.0 | 0.095 | 0.495 | 1.5 | 2.0 | 2.8 | 3.9 | 5.4 | 7.2 | 9.4 | 0.109 | 0.447 | 2.4 | 3.2 | 4.2 | 5.7 | 7.7 | 10.0 | 12.9 | |
| 19.5 | 0.067 | 0.484 | 1.5 | 2.1 | 2.8 | 4.0 | 5.5 | 7.3 | 9.6 | 0.078 | 0.452 | 2.4 | 3.2 | 4.3 | 5.8 | 7.8 | 10.2 | 13.2 | |
| 20.0 | 0.035 | 0.472 | 1.6 | 2.2 | 2.9 | 4.0 | 5.6 | 7.4 | 9.7 | 0.043 | 0.457 | 2.4 | 3.2 | 4.3 | 5.9 | 8.0 | 10.5 | 13.7 | |
| FFMI | 14.0 | − 0.634 | 0.109 | 14.3 | 15.2 | 16.1 | 17.3 | 18.7 | 20.1 | 21.6 | − 0.871 | 0.138 | 12.2 | 13.1 | 14.1 | 15.5 | 17.0 | 18.7 | 20.7 |
| 14.5 | − 0.557 | 0.108 | 14.4 | 15.3 | 16.2 | 17.5 | 18.8 | 20.2 | 21.7 | − 0.922 | 0.132 | 12.4 | 13.3 | 14.2 | 15.5 | 17.0 | 18.6 | 20.6 | |
| 15.0 | − 0.419 | 0.108 | 14.5 | 15.4 | 16.4 | 17.7 | 19.0 | 20.4 | 21.8 | − 1.014 | 0.123 | 12.7 | 13.5 | 14.4 | 15.6 | 17.0 | 18.5 | 20.3 | |
| 15.5 | − 0.297 | 0.108 | 14.6 | 15.6 | 16.6 | 17.8 | 19.2 | 20.5 | 22.0 | − 1.096 | 0.114 | 12.9 | 13.7 | 14.6 | 15.7 | 17.0 | 18.4 | 20.1 | |
| 16.0 | − 0.159 | 0.107 | 14.8 | 15.7 | 16.8 | 18.0 | 19.4 | 20.7 | 22.1 | − 1.187 | 0.106 | 13.2 | 13.9 | 14.7 | 15.8 | 17.0 | 18.3 | 19.8 | |
| 16.5 | − 0.037 | 0.107 | 14.9 | 15.9 | 16.9 | 18.2 | 19.6 | 20.9 | 22.3 | − 1.269 | 0.099 | 13.4 | 14.1 | 14.9 | 15.9 | 17.0 | 18.2 | 19.6 | |
| 17.0 | 0.101 | 0.107 | 15.0 | 16.0 | 17.1 | 18.4 | 19.8 | 21.1 | 22.5 | − 1.361 | 0.094 | 13.6 | 14.3 | 15.0 | 16.0 | 17.0 | 18.2 | 19.5 | |
| 17.5 | 0.224 | 0.106 | 15.2 | 16.2 | 17.3 | 18.6 | 20.0 | 21.3 | 22.6 | − 1.442 | 0.090 | 13.8 | 14.4 | 15.1 | 16.0 | 17.1 | 18.2 | 19.5 | |
| 18.0 | 0.362 | 0.106 | 15.3 | 16.4 | 17.5 | 18.8 | 20.2 | 21.4 | 22.8 | − 1.534 | 0.088 | 13.9 | 14.5 | 15.2 | 16.1 | 17.2 | 18.3 | 19.5 | |
| 18.5 | 0.484 | 0.105 | 15.4 | 16.5 | 17.6 | 19.0 | 20.3 | 21.6 | 22.9 | − 1.616 | 0.087 | 14.0 | 14.6 | 15.3 | 16.2 | 17.3 | 18.3 | 19.6 | |
| 19.0 | 0.622 | 0.105 | 15.5 | 16.7 | 17.8 | 19.2 | 20.5 | 21.8 | 23.1 | − 1.708 | 0.087 | 14.1 | 14.7 | 15.4 | 16.3 | 17.4 | 18.5 | 19.8 | |
| 19.5 | 0.744 | 0.105 | 15.6 | 16.8 | 18.0 | 19.3 | 20.7 | 22.0 | 23.3 | − 1.789 | 0.087 | 14.2 | 14.8 | 15.5 | 16.4 | 17.4 | 18.6 | 19.9 | |
| 20.0 | 0.882 | 0.104 | 15.8 | 17.0 | 18.2 | 19.5 | 20.9 | 22.2 | 23.4 | − 1.881 | 0.088 | 14.3 | 14.9 | 15.6 | 16.5 | 17.6 | 18.7 | 20.1 | |
FMI fat mass index, FFMI fat-free mass index, L (lambda) optimal power to obtain normality, M (mu) median, S (sigma) coefficient of variation