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Table 2 The correlation coefficient between CCI score and each item

From: Charlson comorbidity index is predictive of postoperative clinical outcome after single-level posterior lumbar interbody fusion surgery

 

Correlation coefficient with CCI

Operative time

− 0.01

Intraoperative blood loss

− 0.0007

Length of stay

0.18

Direct cost

0.16

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X