Appendix 2—table 2. Primary Analysis Cohort (Region=Midwest), Patient Characteristics Pre/Post Match.
| Region=Midwest Unmatched | Region=Midwest Matched | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| All | BP Non-users | BP Users | p-value | All | BP Non-users | BP Users | p-value | |||||||
| N | % | N | % | N | % | N | % | N | % | N | % | |||
| All Patients | 1,467,802 | 100.0% | 1,391,835 | 94.8% | 75,967 | 5.2% | 151,802 | 100.0% | 75,901 | 50.0% | 75,901 | 50.0% | ||
| Age | ||||||||||||||
| ≤20 | 310,027 | 21.1% | 309,759 | 22.3% | 268 | 0.4% | <0.001 | 537 | 0.4% | 269 | 0.4% | 268 | 0.4% | 1.00 |
| 21-40 | 287,236 | 19.6% | 286,643 | 20.6% | 593 | 0.8% | 1,188 | 0.8% | 595 | 0.8% | 593 | 0.8% | ||
| 41-50 | 185,240 | 12.6% | 183,556 | 13.2% | 1,684 | 2.2% | 3,367 | 2.2% | 1,683 | 2.2% | 1,684 | 2.2% | ||
| 51-60 | 246,230 | 16.8% | 233,992 | 16.8% | 12,238 | 16.1% | 24,478 | 16.1% | 12,240 | 16.1% | 12,238 | 16.1% | ||
| 61-70 | 224,668 | 15.3% | 196,172 | 14.1% | 28,496 | 37.5% | 56,991 | 37.5% | 28,495 | 37.5% | 28,496 | 37.5% | ||
| 71-80 | 130,563 | 8.9% | 109,442 | 7.9% | 21,121 | 27.8% | 42,153 | 27.8% | 21,075 | 27.8% | 21,078 | 27.8% | ||
| ≥81 | 83,838 | 5.7% | 72,271 | 5.2% | 11,567 | 15.2% | 23,088 | 15.2% | 11,544 | 15.2% | 11,544 | 15.2% | ||
| Gender | ||||||||||||||
| Female | 863,156 | 58.8% | 794,578 | 57.1% | 68,578 | 90.3% | <0.001 | 137,028 | 90.3% | 68,516 | 90.3% | 68,512 | 90.3% | 0.97 |
| Male | 604,646 | 41.2% | 597,257 | 42.9% | 7,389 | 9.7% | 14,774 | 9.7% | 7,385 | 9.7% | 7,389 | 9.7% | ||
| Insurance | ||||||||||||||
| Commercial | 885,651 | 60.3% | 854,518 | 61.4% | 31,133 | 41.0% | <0.001 | 62,243 | 41.0% | 31,110 | 41.0% | 31,133 | 41.0% | 1.00 |
| Dual | 28,190 | 1.9% | 24,584 | 1.8% | 3,606 | 4.7% | 7,211 | 4.8% | 3,605 | 4.7% | 3,606 | 4.8% | ||
| Medicaid | 318,596 | 21.7% | 310,473 | 22.3% | 8,123 | 10.7% | 16,136 | 10.6% | 8,079 | 10.6% | 8,057 | 10.6% | ||
| Medicare | 235,365 | 16.0% | 202,260 | 14.5% | 33,105 | 43.6% | 66,212 | 43.6% | 33,107 | 43.6% | 33,105 | 43.6% | ||
| PCP Visit 2019 | ||||||||||||||
| No | 711,308 | 48.5% | 682,601 | 49.0% | 28,707 | 37.8% | <0.001 | 57,398 | 37.8% | 28,691 | 37.8% | 28,707 | 37.8% | 0.93 |
| Yes | 756,494 | 51.5% | 709,234 | 51.0% | 47,260 | 62.2% | 94,404 | 62.2% | 47,210 | 62.2% | 47,194 | 62.2% | ||
| Continuous Outcomes | ||||||||||||||
| mean | SD | mean | SD | mean | SD | p-value | mean | SD | mean | SD | mean | SD | p-value | |
| CCI | 0.59 | 1.37 | 0.56 | 1.34 | 0.99 | 1.86 | <0.001 | 0.99 | 1.86 | 0.99 | 1.85 | 1.00 | 1.86 | 0.77 |
BP: bisphosphonate; CCI: Charlson Comorbidity Index; PCP: primary care physician; SD: standard deviation.