Table 3. Spearman correlation coefficient between age, anthropometric parameters and measurement results of paraspinal muscles and IMAT.
| Coefficient | Age (years) | Height (m) | Weight (kg) | BMI (kg/m2) | CSAIMAT (cm2) | CSAmuscle (cm2) | IMAT% (%) |
|---|---|---|---|---|---|---|---|
| Age (years) | 1.000 | −0.248** | 0.170** | 0.287** | 0.656** | −0.265** | 0.714** |
| Height (m) | 1.000 | 0.255** | −0.210** | −0.133** | 0.358** | −0.216** | |
| Weight (kg) | 1.000 | 0.870** | 0.368** | 0.423** | 0.231** | ||
| BMI (kg/m2) | 1.000 | 0.441** | 0.247** | 0.342** | |||
| CSAIMAT (cm2) | 1.000 | −0.102** | 0.962** | ||||
| CSAmuscle (cm2) | 1.000 | −0.337** | |||||
| IMAT% (%) | 1.000 |
**P value <0.01. BMI, body mass index; IMAT, intermuscular adipose tissue; CSA, cross-sectional area. IMAT% referred to CSAIMAT / (CSAIMAT + CSAmuscle) as fatty infiltration ratio of muscle.