Table 3.
Linear regression models showing the relationship between fatty liver index (FLI) quartiles (Q1 the lowest, and reference), appendicular lean mass, handgrip strength, and muscle density at the radial and tibial sites.
| FLI | Beta coefficient | SE | p | |
|---|---|---|---|---|
| Radius: muscle density (mg/cm3) | Q1 | Reference | ||
| Q2 | − 0.2589 | 0.3457 | 0.454 | |
| Q3 | − 0.2349 | 0.3429 | 0.494 | |
| Q4 | − 1.6623 | 0.3731 | 0.000 | |
| Tibia: muscle density (mg/cm3) | Q1 | Reference | ||
| Q2 | − 0.3969 | 0.5442 | 0.466 | |
| Q3 | − 1.0329 | 0.5558 | 0.064 | |
| Q4 | − 1.6463 | 0.6067 | 0.007 | |
| ALM/h2 (kg/m2) | Q1 | Reference | ||
| Q2 | 0.4356 | 0.1106 | 0.000 | |
| Q3 | 0.6199 | 0.1111 | 0.000 | |
| Q4 | 1.1094 | 0.1125 | 0.000 | |
| ALM/BMI (m2) | Q1 | Reference | ||
| Q2 | − 0.05140 | 0.01530 | 0.000 | |
| Q3 | − 0.11038 | 0.01538 | 0.000 | |
| Q4 | − 0.16181 | 0.01557 | 0.000 | |
| Handgrip strength (kg) | Q1 | Reference | ||
| Q2 | 1.4482 | 0.8397 | 0.085 | |
| Q3 | − 0.0707 | 0.8436 | 0.933 | |
| Q4 | 0.1813 | 0.8538 | 0.832 |
Muscle density models were adjusted for muscle CSA, ALM, age and sedentary lifestyle. Other models adjusted for age and sedentary lifestyle
ALM appendicular lean mass; BMI body mass index