Appendix 2—table 1. Primary Analysis Cohort (Region=Northeast), Patient Characteristics Pre/Post Match.
| Region=Northeast Unmatched | Region=Northeast 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 | 2,152,560 | 100.00% | 2,032,832 | 94.40% | 119,728 | 5.60% | 238,988 | 100.00% | 119,494 | 50.00% | 119,494 | 50.00% | ||
| Age | ||||||||||||||
| ≤20 | 363,637 | 16.90% | 363,401 | 17.90% | 236 | 0.20% | <0.001 | 474 | 0.20% | 238 | 0.20% | 236 | 0.20% | 1 |
| 21-40 | 397,377 | 18.50% | 396,613 | 19.50% | 764 | 0.60% | 1,528 | 0.60% | 764 | 0.60% | 764 | 0.60% | ||
| 41-50 | 261,570 | 12.20% | 259,528 | 12.80% | 2,042 | 1.70% | 4,084 | 1.70% | 2,042 | 1.70% | 2,042 | 1.70% | ||
| 51-60 | 372,238 | 17.30% | 354,228 | 17.40% | 18,010 | 15.00% | 36,020 | 15.10% | 18,010 | 15.10% | 18,010 | 15.10% | ||
| 61-70 | 354,331 | 16.50% | 313,237 | 15.40% | 41,094 | 34.30% | 82,233 | 34.40% | 41,139 | 34.40% | 41,094 | 34.40% | ||
| 71-80 | 252,712 | 11.70% | 215,151 | 10.60% | 37,561 | 31.40% | 74,831 | 31.30% | 37,393 | 31.30% | 37,438 | 31.30% | ||
| ≥81 | 150,695 | 7.00% | 130,674 | 6.40% | 20,021 | 16.70% | 39,818 | 16.70% | 19,908 | 16.70% | 19,910 | 16.70% | ||
| Gender | ||||||||||||||
| Female | 1,275,611 | 59.30% | 1,167,241 | 57.40% | 108,370 | 90.50% | <0.001 | 216,273 | 90.50% | 108,137 | 90.50% | 108,136 | 90.50% | 0.99 |
| Male | 876,949 | 40.70% | 865,591 | 42.60% | 11,358 | 9.50% | 22,715 | 9.50% | 11,357 | 9.50% | 11,358 | 9.50% | ||
| Insurance | ||||||||||||||
| Commercial | 1,050,795 | 48.80% | 1,017,502 | 50.10% | 33,293 | 27.80% | <0.001 | 66,552 | 27.80% | 33,259 | 27.80% | 33,293 | 27.90% | 0.99 |
| Dual | 47,773 | 2.20% | 40,168 | 2.00% | 7,605 | 6.40% | 15,114 | 6.30% | 7,576 | 6.30% | 7,538 | 6.30% | ||
| Medicaid | 631,863 | 29.40% | 608,649 | 29.90% | 23,214 | 19.40% | 46,094 | 19.30% | 23,047 | 19.30% | 23,047 | 19.30% | ||
| Medicare | 422,129 | 19.60% | 366,513 | 18.00% | 55,616 | 46.50% | 111,228 | 46.50% | 55,612 | 46.50% | 55,616 | 46.50% | ||
| PCP Visit 2019 | ||||||||||||||
| No | 1,212,394 | 56.30% | 1,162,527 | 57.20% | 49,867 | 41.70% | <0.001 | 99,741 | 41.70% | 49,874 | 41.70% | 49,867 | 41.70% | 0.98 |
| Yes | 940,166 | 43.70% | 870,305 | 42.80% | 69,861 | 58.30% | 139,247 | 58.30% | 69,620 | 58.30% | 69,627 | 58.30% | ||
| Continuous Outcomes | ||||||||||||||
| mean | SD | mean | SD | mean | SD | p-value | mean | SD | mean | SD | mean | SD | p-value | |
| CCI | 0.67 | 1.42 | 0.65 | 1.4 | 0.93 | 1.71 | <0.001 | 0.93 | 1.71 | 0.93 | 1.71 | 0.93 | 1.71 | 0.96 |
BP: bisphosphonate; CCI: Charlson Comorbidity Index; PCP: primary care physician; SD: standard deviation.