Table 1.
Demographic and laboratory characteristics of participants
| Characteristics | Osteoporosis N=30 | Osteopenia N=90 | Normal N=140 | p-value |
|---|---|---|---|---|
| Mean age | 54.0±3.9 | 51.5±4.3 | 48.5±3.8 | 0.433 |
| BMI (kg/m2) | 28.98±4.0 | 27.97±5.3 | 26.55±5.2 | 0.460 |
| Age at Menopause (years) | 48.6±3.6 | 48.2 ±3.5 | 48.5±3.2 | 0.002 |
| Age at menarche (years) | 14.72±1.8 | 14.47±1.7 | 14.98±1.9 | 0.464 |
| Number of birth (n) | 3.3±1.5 | 3.2 ±1.5 | 2.6±1.2 | 0.167 |
| Serum calcium (mmol/l) | 2.17±0.3 | 2.18 ±0.2 | 2.14±0.2 | 0.077 |
| Serum phosphorus (mmol/l) | 3.63±0.9 | 3.76 ±1.0 | 3.55±0.9 | 0.261 |
| Serum PTH (pg/ml) | 7.91±4.5 | 7.62 ±4.2 | 7.61±5.6 | 0.565 |
| Serum VitD (mmol/l) | 13.28±6.1 | 12.52 ±4.9 | 12.58±6.1 | 0.025 |
| Breastfeeding time (yrs) | 2.06±1.2 | 2.43±1.6 | 2.38±1.6 | 0.041 |
*
Significant findings are indicated in bold.