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Table 5 Multivariate logistic regression analysis of risk factors for all complications of cervical spine surgery in patients with RA

From: Risk factor analysis of perioperative complications in patients with rheumatoid arthritis undergoing primary cervical spine surgery

 

Model 1

Model 2

OR (95% CI)

p value

OR (95% CI)

p value

Height

0.915 (0.860–0.974)

.005

0.931 (0.872–0.995)

.034

ASA-PS

2.622 (1.023–6.717)

.045

2.141 (0.817–5.611)

.123

Median duration of RA

0.953 (0.918–0.990)

.012

0.950 (0.911–0.991)

.017

Cervical spine lesion

 SAS

2.555 (0.993–6.571)

.052

  

Procedure

 Laminoplasty

  

Ref

 

 C1/2 fusion

  

0.956 (0.221–4.132)

.952

 OC fusion

  

2.467 (0.777–7.826)

.125

 Long fusion

  

7.289 (1.694–31.36)

.008

  1. Model 1: Multivariate analysis excluding procedure because of confounding factor of cervical spine lesion
  2. Model 2: Multivariate analysis excluding cervical spine lesion because of confounding factor of procedure
  3. OR odds ratio, CI confidence interval, Ref reference, ASA-PS American Society of Anesthesiologists Physical Status, AAS atlantoaxial subluxation, VS vertical subluxation, SAS subaxial subluxation, C1/2 fusion atlantoaxial fusion, OC fusion occipito-cervical fusion