Table 3 Multivariate adjusted geometric means and 95% confidence intervals of bone mineral density (BMD) by quartiles of lean mass and fat mass by body fatness and sarcopenia status
| Ā | Women with fat mass indexā<ā= 12.9Ā kg/m2(nā=ā474) | Women with fat mass index >ā12.9Ā kg/m2(nā=ā125) | ||||
|---|---|---|---|---|---|---|
| Ā | Quartile (Q) | N | Geometric mean (95% CI) of BMD (g/cm2) | Quartile (Q) | N | Geometric mean (95% CI) of BMD (g/cm2) |
Lean Mass (kg) | Ā | Ā | Ā | Ā | Ā | Ā |
| Ā | Q1 (26ā35) | 118 | 1.07 (1.04, 1.11) | Q1 (31ā38) | 31 | 1.08 (1.04, 1.12) |
| Ā | Q2 (35ā38) | 119 | 1.09 (1.06, 1.13) | Q2 (38ā43) | 31 | 1.08 (1.04, 1.12) |
| Ā | Q3 (38ā41) | 119 | 1.10 (1.06, 1.13) | Q3 (43ā47) | 32 | 1.13 (1.09, 1.17) |
| Ā | Q4 (41ā57) | 118 | 1.13 (1.09, 1.17) | Q4 (47ā70) | 31 | 1.15 (1.11, 1.19) |
| Ā | p-trend | Ā | <ā0.0001 | p-trend | Ā | 0.004 |
| Ā | Women without sarcopenia (nā=ā515) 2 | Women with sarcopenia (nā=ā84) 2 | ||||
Fat Mass (kg) | Ā | Ā | Ā | Ā | Ā | Ā |
| Ā | Q1 (3ā20) | 128 | 1.08 (1.05, 1.12) | Q1 (6ā17) | 21 | 1.04 (0.97, 1.12) |
| Ā | Q2 (20ā26) | 129 | 1.11 (1.07, 1.14) | Q2 (17ā20) | 21 | 1.07 (0.97, 1.17) |
| Ā | Q3 (26ā33) | 129 | 1.11 (1.07, 1.14) | Q3 (20ā24) | 21 | 1.08 (0.99, 1.18) |
| Ā | Q4 (33ā68) | 129 | 1.15 (1.11, 1.19) | Q4 (24ā34) | 21 | 1.09 (0.99, 1.20) |
| Ā | p-trend | Ā | <ā0.0001 | p-trend | Ā | 0.18 |