Clinical Study
Relationship between Weight, Body Mass Index, and Bone Mineral Density in Men Referred for Dual-Energy X-Ray Absorptiometry Scan in Isfahan, Iran
Table 2
Anthropometric and densitometric measures of men aged 50 years and older by age group and BMI classification.
| | | Age (year) Mean (SD) | | | 50–59 | 60–69 | 70–79 | Total |
| | Anthropometric measures | | | | | | BMI < 25.0, no. (%) | 34 (35.8) | 30 (31.6) | 31 (32.6) | 95 (100.0) | | Weight (kg), mean (SD) | 63.5 (6.2) | 67.9 (6.0) | 60.5 (7.1)*** | 63.9 (7.1) | | Height (cm), mean (SD) | 168.2 (5.6) | 171.7 (5.8) | 164.5 (5.5)*** | 168.1 (6.4) | | BMI (kg/m2), mean (SD) | 22.5 (1.6) | 23.0 (1.6) | 22.3 (1.9) | 22.6 (1.7) | | BMI ≥ 25 no. (%) | 64 (47.4) | 46 (34.1) | 25 (18.5) | 135 (100.0) | | Weight (kg), mean (SD) | 81.6 (7.8) | 80.9 (9.6) | 77.4 (8.1)** | 80.6 (8.6) | | Height (cm), mean (SD) | 169.9 (5.0) | 167.6 (6.4) | 165.4 (5.3)** | 168.3 (5.8) | | BMI (kg/m2), mean (SD) | 28.3 (2.2) | 28.7 (2.6) | 28.3 (2.6) | 28.4 (2.4) | | All BMI group no. (%) | 98 (42.6) | 76 (33.0) | 56 924.3) | 230 (100.0) | | Weight (kg), mean (SD) | 75.4 (11.3) | 75.8 (10.5) | 68.0 (11.3)*** | 73.7 (11.5) | | Height (cm), mean (SD) | 169.3 (5.3) | 169.2 (6.5) | 164.9 (5.4)*** | 168.2 (6.0) | | BMI (kg/m2), mean (SD) | 26.3 (3.4) | 26.5 (3.6) | 25.0 (3.7)* | 26.0 (3.6) | | Densitometry measures | | | | | | BMI < 25.0 | | | | | | Femoral neck BMD (g/cm2) | 0.82 (0.12) | 0.80 (0.09) | 0.73 (0.12)** | 0.79 (0.12) | | Trochanteric BMD (g/cm2) | 0.70 (0.10) | 0.71 (0.08) | 0.66 (0.11) | 0.69 (0.10) | | Femoral shaft BMD (g/cm2) | 1.03 (0.12) | 1.01 (0.14) | 0.98 (0.13) | 1.01 (0.13) | | L2–L4 BMD (g/cm2) | 0.97 (0.14) | 1.05 (0.15) | 0.98 (0.18) | 1.00 (0.16) | | Total hip BMD (g/cm2) | 0.90 (0.10) | 0.90 (0.10) | 0.85 (0.11) | 0.88 (0.11) | | BMI ≥ 25 | | | | | | Femoral neck BMD (g/cm2) | 0.85 (0.12) | 0.83 (0.11) | 0.73 (0.11)*** | 0.82 (0.12) | | Trochanteric BMD (g/cm2) | 0.74 (0.11) | 0.75 (0.10) | 0.69 (0.15) | 0.73 (0.11) | | Femoral shaft BMD (g/cm2) | 1.09 (0.16) | 1.10 (0.13) | 0.99 (0.17)** | 1.07 (0.15) | | L2–L4 BMD (g/cm2) | 1.07 (0.16) | 1.09 (0.16) | 1.16 (0.19) | 1.09 (0.17) | | Total hip BMD (g/cm2) | 0.95 (0.13) | 0.96 (0.10) | 0.87 (0.15)* | 0.94 (0.13) | | All BMI group | | | | | | Femoral neck BMD (g/cm2) | 0.84 (0.12) | 0.82 (0.10) | 0.73 (0.12)*** | 0.80 (0.12) | | Trochanteric BMD (g/cm2) | 0.73 (0.11) | 0.73 (0.09) | 0.67 (0.13)** | 0.72 (0.11) | | Femoral shaft BMD (g/cm2) | 1.07 (0.15) | 1.07 (0.14) | 0.98 (0.15)** | 1.05 (0.15) | | L2–L4 BMD (g/cm2) | 1.03 (0.16) | 1.07 (0.16) | 1.06 (0.20) | 1.05 (0.17) | | Total hip BMD (g/cm2) | 0.93 (0.12) | 0.93 (0.11) | 0.86 (0.13)*** | 0.91 (0.12) |
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