Table 2.
Surgical Cost and Postoperative Utilization and Cost.
| Hospital (n = 354) | ASC (n = 417) | P -Value | |
|---|---|---|---|
| Surgery cost | $8060 ± 107 | $4529 ± 41 | <0.001 |
| 90-Day ED/Readmission | |||
| ED return (%) | 22 (6.2) | 18 (4.3) | 0.307 |
| Readmission (%) | 4 (1.1) | 8 (1.9) | 0.555 |
| ED return/readmission cost | $2515 ± 2337 | $3380 ± 4032 | 0.399 |
| 1-Year reoperation | |||
| Reoperation (%) | 25 (7.1) | 24 (5.8) | 0.553 |
| Reoperation cost | $25,506 ± 23,583 | $13,709 ± 13,591 | 0.037 |
| 1-Year spine visit | |||
| Spine visits (%) | 176 (49.7) | 202 (48.4) | 0.779 |
| # Visits | 1.72 ± 1.12 | 1.54 ± 0.93 | 0.099 |
| Visit cost | $192 ± 130 | $167 ± 114 | 0.056 |
| 1-Year imaging encounter | |||
| Imaging encounters (%) | 100 (28.2) | 92 (22.1) | 0.058 |
| # Imaging encounters | 1.88 ± 1.50 | 1.47 ± 0.83 | 0.019 |
| Imaging cost | $235 ± 191 | $190 ± 141 | 0.060 |
| 1-Year injections | |||
| Injections (%) | 26 (7.3) | 31 (7.4) | 1 |
| # Injections | 1.38 ± 0.70 | 1.26 ± 0.51 | 0.447 |
| Injection cost | $669 ± 436 | $681 ± 360 | 0.908 |
| 1-Year postoperative care cost | $2168 ± 9202 | $1133 ± 4747 | 0.056 |
| Total 1- year cost | $10,229 ± 9202 | $5662 ± 4748 | <0.001 |
p-values <0.05 in bold.