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Table 5 Partial correlation coefficient

From: Analysis of sagittal alignment parameters following anterior cervical hybrid decompression and fusion of multilevel cervical Spondylotic myelopathy

Item

Item

No adjust

Adjust-age/T1 s

r

Pvalue

r

P▲value

Preoperative NDI

Preoperative T1 s

0.489

0.001**

0.361

0.020*

Follow-up NDI

Follow-up T1 s

0.421

0.006**

0.515

0.001**

Preoperative NDI

Age

0.440

0.004**

0.316

0.044*

Follow-up NDI

Age

0.332

0.032*

0.176

0.270

Preoperative T1 s

Age

0.343

0.026*

  

Follow-up T1 s

Age

0.340

0.027*

  
  1. Pvalue spearman correlation between two items, P▲value partial correlation between two items, T1 s T1 slope
  2. *Correlation is significant at the P < 0.05 level (2-tailed);
  3. **Correlation is significant at the P < 0.01 level (2-tailed)