Appendix 2—table 3. Primary Analysis Cohort (Region=South), Patient Characteristics Pre/Post Match.
| Region=South Unmatched | Region=South 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 | 3,042,604 | 100.0% | 2,881,718 | 94.7% | 160,886 | 5.3% | 319,408 | 100.0% | 159,704 | 50.0% | 159,704 | 50.0% | ||
| Age | ||||||||||||||
| ≤20 | 890,677 | 29.3% | 890,203 | 30.9% | 474 | 0.3% | <0.001 | 943 | 0.3% | 469 | 0.3% | 474 | 0.3% | 1.00 |
| 21-40 | 527,971 | 17.4% | 526,794 | 18.3% | 1,177 | 0.7% | 2,364 | 0.7% | 1,187 | 0.7% | 1,177 | 0.7% | ||
| 41-50 | 338,262 | 11.1% | 334,841 | 11.6% | 3,421 | 2.1% | 6,839 | 2.1% | 3,418 | 2.1% | 3,421 | 2.1% | ||
| 51-60 | 442,757 | 14.6% | 417,664 | 14.5% | 25,093 | 15.6% | 50,186 | 15.7% | 25,093 | 15.7% | 25,093 | 15.7% | ||
| 61-70 | 409,854 | 13.5% | 353,958 | 12.3% | 55,896 | 34.7% | 111,800 | 35.0% | 55,904 | 35.0% | 55,896 | 35.0% | ||
| 71-80 | 272,761 | 9.0% | 222,156 | 7.7% | 50,605 | 31.5% | 99,223 | 31.1% | 49,605 | 31.1% | 49,618 | 31.1% | ||
| ≥81 | 160,322 | 5.3% | 136,102 | 4.7% | 24,220 | 15.1% | 48,053 | 15.0% | 24,028 | 15.0% | 24,025 | 15.0% | ||
| Gender | ||||||||||||||
| Female | 1,800,166 | 59.2% | 1,654,351 | 57.4% | 145,815 | 90.6% | <0.001 | 289,263 | 90.6% | 144,630 | 90.6% | 144,633 | 90.6% | 0.99 |
| Male | 1,242,438 | 40.8% | 1,227,367 | 42.6% | 15,071 | 9.4% | 30,145 | 9.4% | 15,074 | 9.4% | 15,071 | 9.4% | ||
| Insurance | ||||||||||||||
| Commercial | 1,475,456 | 48.5% | 1,416,166 | 49.1% | 59,290 | 36.9% | <0.001 | 118,587 | 37.1% | 59,297 | 37.1% | 59,290 | 37.1% | 1.00 |
| Dual | 53,474 | 1.8% | 39,414 | 1.4% | 14,060 | 8.7% | 25,752 | 8.1% | 12,874 | 8.1% | 12,878 | 8.1% | ||
| Medicaid | 1,121,606 | 36.9% | 1,099,957 | 38.2% | 21,649 | 13.5% | 43,299 | 13.6% | 21,650 | 13.6% | 21,649 | 13.6% | ||
| Medicare | 392,068 | 12.9% | 326,181 | 11.3% | 65,887 | 41.0% | 131,770 | 41.3% | 65,883 | 41.3% | 65,887 | 41.3% | ||
| PCP Visit 2019 | ||||||||||||||
| No | 1,701,040 | 55.9% | 1,646,572 | 57.1% | 54,468 | 33.9% | <0.001 | 108,601 | 34.0% | 54,275 | 34.0% | 54,326 | 34.0% | 0.85 |
| Yes | 1,341,564 | 44.1% | 1,235,146 | 42.9% | 106,418 | 66.1% | 210,807 | 66.0% | 105,429 | 66.0% | 105,378 | 66.0% | ||
| Continuous Outcomes | ||||||||||||||
| mean | SD | mean | SD | mean | SD | p-value | mean | SD | mean | SD | mean | SD | p-value | |
| CCI | 0.57 | 1.31 | 0.55 | 1.28 | 0.86 | 1.70 | <0.001 | 0.86 | 1.70 | 0.86 | 1.70 | 0.86 | 1.71 | 0.84 |
BP: bisphosphonate; CCI: Charlson Comorbidity Index; PCP: primary care physician; SD: standard deviation.