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Correlation between UCLASS, CSS, and OSS scores preoperatively and at 6, 12, and 24 months’ follow-up
| R |
|||
|---|---|---|---|
| UCLASS | CSS | OSS | |
| Preoperative | |||
| UCLASS | −9 | 0.829∗ | −0.796∗ |
| CSS | 0.829∗ | — | −0.797∗ |
| OSS | −0.796∗ | −0.797∗ | — |
| 6 Months | |||
| UCLASS | — | 0.787∗ | −0.771∗ |
| CSS | 0.787∗ | — | −0.791∗ |
| OSS | −0.771∗ | −0.791∗ | — |
| 12 Months | |||
| UCLASS | — | 0.765∗ | −0.808∗ |
| CSS | 0.765∗ | — | −0.812∗ |
| OSS | −0.808∗ | −0.812∗ | — |
| 24 Months | |||
| UCLASS | — | 0.785∗ | −0.805∗ |
| CSS | 0.785∗ | — | −0.802∗ |
| OSS | −0.805∗ | −0.802∗ | — |
P < .001.
