Table 5.
Agreement between BIA and DXA, stratified by age and gender
| Variables | Men ICC (CI 95%) | Women ICC (CI 95%) | ||
|---|---|---|---|---|
| Age category | 18-34 years | Appendicular lean mass/height square (kg/m2) | 0.0085 (−0.29-0.30) | −0.43 (−0.66- -0.14) |
| Lean mass left arm (kg) | 0.92 (085–0.95) | 0.45 (0.16-0.67) | ||
| Lean mass right arm (kg) | 0.89 (0.80-0.94) | 0.58 (0.32-0.75) | ||
| Lean mass trunk (kg) | 0.91 (0.84-0.95) | 0.44 (0.15-0.67) | ||
| Lean mass left leg (kg) | 0.089 (−0.22-0.38) | −0.14 (−0.44-0.18) | ||
| Lean mass right leg (kg) | 0.086 (−0.22-0.37) | −0.13 (−0.43-0.19) | ||
| Fat mass (kg) | −0.038 (−0.33-0.26) | −0.086 (−0.39-0.23) | ||
| Body fat (%) | −0.25 (−0.43-0.15) | −0.44 (−0.66-0.15) | ||
| 35-64 years | Appendicular lean mass/height square (kg/m2) | −0.11 (−0.38-0.18) | −0.038 (−0.031-0.24) | |
| Lean mass left arm (kg) | 0.81 (0.68-0.89) | 0.37 (0.11-0.59) | ||
| Lean mass right arm (kg) | 0.40 (0.13-0.61) | 0.65 (0.46-0.79) | ||
| Lean mass trunk (kg) | 0.42 (0.15-0.63) | 0.70 (0.53-0.82) | ||
| Lean mass left leg (kg) | −0.0019 (−0.29-0.28) | −0.0046 (−0.29-0.28) | ||
| Lean mass right leg (kg) | 0.050 (−0.24-0.33) | −0.045 (−0.32-0.24) | ||
| Fat mass (kg) | 0.17 (−0.12-0.44) | 0.19(−0.098-0.44) | ||
| Body fat (%) | −0.23 (−0.49-0.057) | −0.19 (−0.45-0.093) | ||
| 65+ years | Appendicular lean mass/height square (kg/m2) | 0.32 (−0.12-0.66) | −0.23 (−0.54-0.13) | |
| Lean mass left arm (kg) | 0.92 (0.80-0.96) | 0.64 (0.37-0.81) | ||
| Lean mass right arm (kg) | 0.61 (0.25-0.82) | 0.85 (0.71-0.92) | ||
| Lean mass trunk (kg) | 0.63 (0.28-0.83) | 0.60 (0.29-0.77) | ||
| Lean mass left leg (kg) | 0.24 (−0.21-0.61) | −0.078(−0.42-0.28) | ||
| Lean mass right leg (kg) | 0.33 (−0.12-0.68) | −0.18(−0.50-0.18) | ||
| Fat mass (kg) | 0.24 (−0.21-0.60) | 0.72 (0.49-0.85) | ||
| Body fat (%) | −0.14 (−0.53-0.31) | 0.42 (0.08-0.67) |