Table 2:
Mean BMD Z-scores and HSA characteristics above compared to below the median fasting baseline oxytocin and vasopressin levels across all study participants
| Lower OT (N=19) (OT≤0.983 pg/mL) |
Higher OT (N=18) (OT>0.983 pg/mL) |
P | Lower VP (N=19) (VP≤0.322 pg/mL) |
Higher VP (N=18) (VP>0.322 pg/mL) |
P | |
|---|---|---|---|---|---|---|
| Bone mineral density | ||||||
| PA lumbar spine BMD Z-score | −0.28±1.44 | 0.52±1.06 | 0.018* | 0.06±1.38 | 0.14±1.29 | 0.855 |
| Total hip BMD Z-score | 0.17±1.03 | 0.99±0.91 | 0.016* | 0.56±1.23 | 0.59±0.86 | 0.942 |
| Femoral neck BMD Z-score | −0.28±0.80 | 0.51±0.89 | 0.008* | 0.2211.11 | −0.01±0.71 | 0.456 |
| Distal 1/3 radius BMD Z-score | −0.38±1.06 | 0.59±1.06 | 0.009* | 0.12±1.28 | 0.06±1.04 | 0.884 |
| Subtotal body BMD Z-score | −0.91±0.78 | −0.17±0.87 | 0.010* | −0.45±1.06 | −0.66±0.71 | 0.489 |
| Hip structural analysis variables | ||||||
| NN cortical thickness (cm) | 0.19±0.03 | 0.21±0.03 | 0.058 | 0.20±0.04 | 0.19±0.02 | 0.299 |
| NN section modulus (cm3) | 1.90±0.29 | 2.19±0.43 | 0.024 | 2.15±0.45 | 1.92±0.29 | 0.232 |
| NN buckling ratio | 11.3±3.09 | 9.84±1.98 | 0.121 | 10.46±3.15 | 10.72±2.15 | 0.778 |
| IT cortical thickness (cm) | 0.43±0.06 | 0.51±0.09 | 0.003* | 0.48±0.11 | 0.46±0.05 | 0.505 |
| IT section modulus (cm3) | 5.47±1.29 | 6.52±1.37 | 0.022* | 6.00±1.67 | 5.95±1.13 | 0.926 |
| IT buckling ratio | 8.01±1.48 | 6.66±1.41 | 0.008* | 7.37±1.92 | 7.32±1.17 | 0.913 |
| FS cortical thickness (cm) | 0.68±0.13 | 0.82±0.17 | 0.009* | 0.76±0.20 | 0.73±0.12 | 0.680 |
| FS section modulus (cm3) | 3.02±0.63 | 3.29±0.66 | 0.078 | 3.14±0.68 | 3.17±0.63 | 0.877 |
| FS buckling ratio | 2.54±0.57 | 2.11±0.53 | 0.032 | 2.34±0.68 | 2.3110.48 | 0.919 |
*
significant after Holm-Bonferroni correction.
Abbreviations: BMD, bone mineral density; HSA, hip structural analysis; OT, oxytocin; VP, vasopressin; PA, posteroanterior; NN, narrow neck; IT, intertrochanteric region; FS, femoral shaft.