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Hospital Costs and LOS Following ACDF.
| Low Income, >$40 000 | High Income, >$66 000 | P (K Test) | |
|---|---|---|---|
| Length of stay | P = .412 | ||
| Mean ± SD | 2.04 ± 3.82 | 1.77 ± 2.66 | |
| Median | 1.00 | 1.00 | |
| Mean rank | 34 975 | 34 870 | |
| Hospital cost | P < .001 | ||
| Mean ± SD | $17 041 ± 13 164 | $17 958 ± 11 609 | |
| Median | $14 558 | $15 739 | |
| Mean rank | 31 960 | 35 083 |
Abbreviations: ACDF, anterior discectomy and fusion; LOS, length of stay.
