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SF-36 score
| Wilcoxon signed-rank test | |||||||||
|---|---|---|---|---|---|---|---|---|---|
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| Approach | Comparison | N | Mean rank | Sum of rank | Z | P-Value | |||
| Posterior | 6-month post-op and pre-op | 22 | 11.5 | 253 | -4.11 | 0 | |||
|
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| Paired samples test | |||||||||
|
| |||||||||
| Approach | Comparison | N | Mean | SD | Paired differences | P-Value | |||
|
| |||||||||
| Mean | SD | 95% CI | |||||||
|
| |||||||||
| Lower | Upper | ||||||||
|
| |||||||||
| Lateral | 6-month post-op and pre-op | 20 | 38 | 3.23 | 33.3 | 4.85 | -31.03 | 30.73 | 0 |
| 20 | 71.3 | 3.98 | |||||||
SF-36: Short Form Survey, SD: standard deviation, CI: confidence interval
