Table 3.
Hospital reimbursement and margins for noninstrumented fusion in situ.
| Insurance Type |
Mean Reimbursement |
Insurance Comparison |
Difference of Mean (95% CI) |
P Value |
| Medicaid (1) | $12,687.74 | 1 versus 2 | $24,215.63 (6712.825, 41 718.43) | .003 |
| Medicare (2) | $36,903.36 | 1 versus 3 | $35,398.47 (13 645.96, 56 743.94) | 0 |
| Worker's compensation (3) | $47,882.70 | 1 versus 4 | $34,398.47 (1679.3, 52 005.64) | 0 |
| Private insurance (4) | $47,086.21 | 2 versus 3 | $10,979.33 (2814.081, 24 772.75) | .167 |
| Charity (5) | None | 2 versus 4 | $10,182.84 (4190.213, 16 175.47) | 0 |
| Self-pay (6) | None | 2 versus 4 | $−796.4901 (−14 722.1, 13 129.12) | .999 |
| Insurance type |
Mean Margin |
Insurance Comparison |
Difference of Mean (95% CI) |
P Value |
| Medicaid (1) | $4,127.01 | 1 versus 2 | $20,220.48 (2368.687, 38 072.28) | .02 |
| Medicare (2) | $24,347.49 | 1 versus 3 | $33,446.27 (11 467.6, 55 424.94) | .001 |
| Worker's compensation (3) | $37,573.28 | 1 versus 4 | $33,442.75 (15 484.5, 51 401) | 0 |
| Private insurance (4) | $37,569.76 | 2 versus 3 | $13,228.79 (−842.6573, 27 294.24) | .073 |
| Charity (5) | None | 2 versus 4 | $13,222.27 (7110.148, 19 334.39) | 0 |
| Self-pay (6) | None | 2 versus 4 | $−3.512386 (−14 206.8, 14 199.76) | 1 |
Abbreviation: CI, confidence interval.