Appendix 2—table 4. Primary Analysis Cohort (Region=West), Patient Characteristics Pre/Post Match.
| Region=West Unmatched | Region=West 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 | 1,243,637 | 100.0% | 1,148,167 | 92.3% | 95,470 | 7.7% | 190,534 | 100.0% | 95,267 | 50.0% | 95,267 | 50.0% | ||
| Age | ||||||||||||||
| ≤20 | 275,709 | 22.2% | 275,559 | 24.0% | 150 | 0.2% | <0.001 | 299 | 0.2% | 149 | 0.2% | 150 | 0.2% | 1.00 |
| 21-40 | 234,415 | 18.8% | 233,858 | 20.4% | 557 | 0.6% | 1,115 | 0.6% | 558 | 0.6% | 557 | 0.6% | ||
| 41-50 | 140,237 | 11.3% | 138,833 | 12.1% | 1,404 | 1.5% | 2,806 | 1.5% | 1,402 | 1.5% | 1,404 | 1.5% | ||
| 51-60 | 188,965 | 15.2% | 178,585 | 15.6% | 10,380 | 10.9% | 20,761 | 10.9% | 10,381 | 10.9% | 10,380 | 10.9% | ||
| 61-70 | 192,408 | 15.5% | 161,016 | 14.0% | 31,392 | 32.9% | 62,798 | 33.0% | 31,406 | 33.0% | 31,392 | 33.0% | ||
| 71-80 | 127,739 | 10.3% | 95,301 | 8.3% | 32,438 | 34.0% | 64,596 | 33.9% | 32,293 | 33.9% | 32,303 | 33.9% | ||
| ≥81 | 84,164 | 6.8% | 65,015 | 5.7% | 19,149 | 20.1% | 38,159 | 20.0% | 19,078 | 20.0% | 19,081 | 20.0% | ||
| Gender | ||||||||||||||
| Female | 732,027 | 58.9% | 647,354 | 56.4% | 84,673 | 88.7% | <0.001 | 168,933 | 88.7% | 84,463 | 88.7% | 84,470 | 88.7% | 0.96 |
| Male | 511,610 | 41.1% | 500,813 | 43.6% | 10,797 | 11.3% | 21,601 | 11.3% | 10,804 | 11.3% | 10,797 | 11.3% | ||
| Insurance | ||||||||||||||
| Commercial | 526,701 | 42.4% | 503,359 | 43.8% | 23,342 | 24.4% | <0.001 | 46,688 | 24.5% | 23,346 | 24.5% | 23,342 | 24.5% | 1.00 |
| Dual | 27,060 | 2.2% | 20,924 | 1.8% | 6,136 | 6.4% | 11,859 | 6.2% | 5,925 | 6.2% | 5,934 | 6.2% | ||
| Medicaid | 522,435 | 42.0% | 497,941 | 43.4% | 24,494 | 25.7% | 48,990 | 25.7% | 24,496 | 25.7% | 24,494 | 25.7% | ||
| Medicare | 167,441 | 13.5% | 125,943 | 11.0% | 41,498 | 43.5% | 82,997 | 43.6% | 41,500 | 43.6% | 41,497 | 43.6% | ||
| PCP Visit 2019 | ||||||||||||||
| No | 658,955 | 53.0% | 628,131 | 54.7% | 30,824 | 32.3% | <0.001 | 61,643 | 32.4% | 30,819 | 32.4% | 30,824 | 32.4% | 0.98 |
| Yes | 584,682 | 47.0% | 520,036 | 45.3% | 64,646 | 67.7% | 128,891 | 67.6% | 64,448 | 67.6% | 64,443 | 67.6% | ||
| Continuous Outcomes | ||||||||||||||
| mean | SD | mean | SD | mean | SD | p-value | mean | SD | mean | SD | mean | SD | p-value | |
| CCI | 0.69 | 1.46 | 0.66 | 1.42 | 1.08 | 1.84 | <0.001 | 1.09 | 1.83 | 1.08 | 1.83 | 1.09 | 1.84 | 0.73 |
BP: bisphosphonate; CCI: Charlson Comorbidity Index; PCP: primary care physician; SD: standard deviation.