Table 1.
Age, age-adjusted means (SD), and proportions of selected anthropometric and densitometric measures between 95 men with body mass index (BMI) < 25 kg/m2 and 135 men who had BMI ≥ 25.
| Variables | BMI < 25 kg/m2 | BMI ≥ 25 kg/m2 | Difference (95% CI) |
|---|---|---|---|
| Mean (SD) | Mean (SD) | ||
| Age (yr.) | 63.9 (7.9) | 61.7 (8.1) | 2.2 (0.08, 4.3)* |
| Height (cm) | 168.1 (6.4) | 168.3 (5.8) | −0.2 (−1.40, 1.80) |
| Weight (kg) | 63.9 (7.1) | 80.6 (8.6) | −16.7 (−18.50, −14.30)*** |
| BMI (Kg/m2) | 22.6 (1.7) | 28.4 (2.4) | −5.8 (−6.46, −5.34)*** |
| L2–L4 BMD (g/cm2) | 0.99 (016) | 1.09 (0.17) | −0.1 (−0.14, −0.06)*** |
| Femoral neck BMD (g/cm2) | 0.79 (0.12) | 0.82 (0.12) | −0.03 (−0.07, −0.002)* |
| Trochanter BMD (g/cm2) | 0.69 (0.10) | 0.73 (0.11) | −0.04 (−0.06, −0.01)** |
| Femoral shaft BMD (g/cm2) | 1.01 (0.13) | 1.07 (0.15) | −0.06 (−0.10, −0.02)** |
| Total hip BMD (g/cm2) | 0.88 (0.11) | 0.94 (0.13 | −0.06 (−0.09, −0.03)** |
| L2–L4 BMC (g) | 50.0 (9.7) | 56.0 (9.6) | −6.0 (−8.54, −3.46)*** |
| Femoral neck BMC (g) | 4.3 (0.8) | 4.5 (0.7) | −0.20 (−0.40, −0.002)* |
| Trochanteric BMC (g) | 10.6 (1.9) | 11.6 (2.3) | −1.00 (−1.57, −0.43)*** |
| Femoral shaft BMC (g) | 17.3 (2.4) | 18.8 (2.9) | −1.50 (−2.01, −0.59)*** |
| Total hip BMC (g) | 33.6 (4.5) | 36.2 (5.3) | −2.6 (−3.92, −1.28)*** |
| L2–L4 T-score | −1.3 (0.8) | −0.8 (0.8) | −0.50 (−0.71, −0.29)*** |
| Femur neck T-score | −2.6 (0.9) | −2.3 (1.0) | −0.30 (−0.55, −0.05)* |
| Trochanter T-score | −2.2 (0.8) | −1.8 (1.0) | −0.40 (−0.54, −0.06)** |
| Total hip T-score | −2.1 (0.9) | −1.7 (1.1) | −0.4 (−0.67, −0.13)** |
|
| |||
| No. (%) | No. (%) | ||
|
| |||
| Osteoporosis | 33 (34.7) | 25 (18.5) | 16.2 (4.62, 27.80)** |
| Osteopenia | 56 (58.9) | 88 (65.2) | −6.3 (−19.00, 6.51) |
| Normal weight (BMI < 25) | 95 (100.0) | — | − |
| Overweight (BMI ≥ 25 < 30) | — | 96 (71.1) | −71.1 (−78.8, −63.5)*** |
| Obese (BMI ≥ 30) | — | 39 (28.9) | −28.9 (−36.5, −21.2)*** |
Age-adjusted means were calculated using general linear models. The difference in the mean or percentage of the variables between BMI < 25 and BMI ≥ 25. *P < 0.05, **P < 0.01, and ***P < 0.001. CI: confidence interval.