Table 2.
Predicted Mean and Estimated Percentage Difference Between Beta Blocker Users Compared With Nonusers and p for Multiple Measures of BMD, Overall and Stratified by Sex, After IPTW Weighting
| Population | Estimated mean BMD (g/cm2) | Percent difference from nonusers (95% CI) | p | |
|---|---|---|---|---|
| Nonusers | Users | |||
| Femoral neck | ||||
| Overall | 0.903 | 0.931 | 3.10 (1.11 to 4.98) | 0.002 |
| Female | 0.857 | 0.890 | 3.73 (1.05 to 6.53) | 0.006 |
| Male | 0.964 | 0.978 | 1.45 (−1.45 to 4.25) | 0.337 |
| Femoral trochanter | ||||
| Overall | 0.783 | 0.802 | 2.43 (−0.13 to 4.98) | 0.062 |
| Female | 0.703 | 0.720 | 2.42 (−0.71 to 5.55) | 0.122 |
| Male | 0.884 | 0.894 | 1.13 (−2.15 to 4.30) | 0.507 |
| Total femur | ||||
| Overall | 0.959 | 0.987 | 2.92 (0.94 to 4.90) | 0.004 |
| Female | 0.898 | 0.925 | 3.01 (0.33 to 5.57) | 0.028 |
| Male | 1.039 | 1.055 | 1.54 (−1.15 to 4.33) | 0.264 |
| Total spine | ||||
| Overall | 1.246 | 1.278 | 2.65 (0.24 to 4.98) | 0.032 |
| Female | 1.154 | 1.185 | 2.77 (−0.26 to 5.81) | 0.077 |
| Male | 1.362 | 1.390 | 2.06 (−1.47 to 5.58) | 0.257 |
BMD = bone mineral density; IPTW = inverse probability of treatment weights.