Table 4.
Results of partial least squares regression models relating SO-CovSel-selected biomarker concentrations in serum to age, anthropometry, body composition, and physical performance in the whole study sample and in the two genders
| R2 | Q2 | |
|---|---|---|
| Whole study sample | ||
| Age | 0.21 | 0.10 |
| BMI | 0.28 | 0.15 |
| SPPB summary score | 0.53 | 0.43 |
| aLM | 0.20 | 0.05 |
| aLMBMI | 0.25 | 0.15 |
| Men | ||
| Age | 0.37 | 0.04 |
| BMI | 0.35 | 0.08 |
| SPPB summary score | 0.48 | 0.28 |
| aLM | 0.31 | 0.07 |
| aLMBMI | 0.56 | 0.34 |
| Women | ||
| Age | 0.14 | 0.02 |
| BMI | 0.25 | 0.13 |
| SPPB summary score | 0.49 | 0.35 |
| aLM | 0.37 | 0.27 |
| aLMBMI | 0.22 | 0.08 |
aLM, appendicular lean mass; aLMBMI, appendicular lean mass adjusted by body mass index (BMI); SO-CovSel, sequential and orthogonalized covariance selection; SPPB, short physical performance battery