Table 1. Oblique rotated factor loadings.
| Variable | Factor 1 | Factor 2 | Factor 3 | Factor 4 | Uniqueness |
| Adiponectin | 0.8279 | ||||
| Fat area at 66% tibia length | 0.4029 | -0.8131 | 0.4144 | ||
| Muscle area at 66% tibia length | 0.3521 | 0.5086 | 0.6889 | ||
| Muscle density | 0.3936 | -0.3447 | 0.6768 | ||
| TNFA-Receptor 2 | -0.3775 | 0.6192 | |||
| HOMA | -0.3022 | 0.4763 | 0.6636 | ||
| Blood glucose | -0.3355 | 0.7463 | |||
| Creatinine | -0.5614 | 0.6918 | |||
| Red cell distribution width | 0.8993 | ||||
| Pulse Pressure | -0.4467 | 0.7458 | |||
| Waist to hip ratio | 0.4770 | 0.5632 | |||
| EPESE perform walking sub-score | 0.4925 | 0.6374 | |||
| EPESE perform chair sub-score | 0.4801 | 0.5802 | |||
| EPESE perform Balance sub-score | 0.5554 | 0.6092 | |||
| Coordination score | 0.9651 | ||||
| Coordination speed | 0.6998 | 0.4397 | |||
| Comorbidity score | 0.7658 | ||||
| Muscle power lower extension max R side | 0.5839 | 0.4267 | 0.3072 | ||
| Trail making test B | -0.7686 | 0.4265 | |||
| Years of education | 0.7623 | 0.5005 | |||
| Hearing difficulty | 0.8857 | ||||
| IL6 | -0.4676 | 0.7674 | |||
| CRP | -0.3077 | 0.8350 | |||
| IL1RA | 0.4726 | 0.7427 | |||
| Cortisol: DHEAS ratio | 0.9549 | ||||
| Ankle-brachial index | 0.9402 | ||||
| Cortical bone mass density | 0.8337 | ||||
| HDL cholesterol | -0.4382 | 0.6506 | |||
| TIGF1 | 0.4558 | 0.8022 | |||
| Olfactory score | 0.3925 | 0.7618 | |||
| Sensory score | 0.6311 | 0.5171 | |||
| Social interaction score | 0.8937 | ||||
| Handgrip strength | 0.4989 | 0.4700 | 0.4041 | ||
| BMI | 0.8377 | -0.3144 | 0.3811 | ||
| Visual acuity | 0.5421 | 0.6950 | |||
| Contrast sensitivity | 0.4651 | 0.6863 | |||
| MMSE score | 0.6832 | 0.5785 |