Table 2.
Mediation analysis between mVOCs and sarcopenia.
| Result | mVOCs | Mediator | Indirect effect (P-value) |
Direct effect (P-value) |
Total effect (P-value) |
Mediation proportions |
|---|---|---|---|---|---|---|
| Sarcopenia | 3,4MHA | White blood cell | 0.000199(0.38) | 0.013188(< 0.001) | 0.013386(< 0.001) | NA |
| Alkaline phosphatase | − 0.000105(0.48) | 0.013500(< 0.001) | 0.013395(< 0.001) | NA | ||
| Bilirubin | − 0.00079(0.06) | 0.014596(< 0.001) | 0.013806(< 0.001) | NA | ||
| Gamma glutamyl transferase | − 0.000252(0.18) | 0.013866(< 0.001) | 0.013614(< 0.001) | NA | ||
| ATCA | White blood cell | 0.001075(0.02) | 0.013077(0.04) | 0.014151(0.04) | 7.6% | |
| Alkaline phosphatase | − 0.000294(0.24) | 0.014431(0.02) | 0.014137(0.02) | NA | ||
| Bilirubin | 0.001514(0.04) | 0.012577(0.02) | 0.014091(0.02) | 10.7% | ||
| Gamma glutamyl transferase | 1.64e−05(0.96) | 1.46e-02(0.02) | 0.0147(0.02) | NA | ||
| DHBMA | White blood cell | 0.001981(0.02) | 0.029344(< 0.001) | 0.031325(< 0.001) | 6.3% | |
| Alkaline phosphatase | 0.001048(0.34) | 0.031559(< 0.001) | 0.032607(< 0.001) | NA | ||
| Bilirubin | 0.003893(0.04) | 0.027924(< 0.001) | 0.031817(< 0.001) | 12.2% | ||
| Gamma glutamyl transferase | 0.000537(0.24) | 0.031365(< 0.001) | 0.031902(< 0.001) | NA | ||
| 3HPMA | White blood cell | 0.001914(0.04) | 0.011726(0.02) | 0.01364(0.02) | 14% | |
| Alkaline phosphatase | 4.06e−04(0.12) | 0.0135(0.02) | 0.0139(0.02) | NA | ||
| Bilirubin | 0.00216(0.04) | 0.01228(0.04) | 0.01444(0.02) | 15% | ||
| Gamma glutamyl transferase | − 0.000114(0.72) | 0.01363(0.02) | 0.013516(0.02) | NA |
Bold indicates significant mediating relationships.