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Table 6 Univariate and multivariate logistic regression analysis for patients with chondrosarcoma by lung metastasis

From: Risk factors for lung metastasis at presentation with malignant primary osseous neoplasms: a population-based study

CharacteristicUnivariate analysisMultivariate analysis
OR (95% CI)POR (95% CI)P
Age
 < 30Reference NI 
> 303.216 (0.999–10.355)0.05  
Race
 WhiteReference NI 
 Black1.038 (0.406–2.654)0.938  
 Other10.790 (0.242–2.586)0.790  
 Unknown1.471 (0.188–11.500)0.713  
Gender
 MaleReference Reference 
 Female1.683 (1.002–2.828)0.0491.502 (0.881–2.559)0.135
Primary site
 ExtremityReference NI 
 Axial1.095 (0.674–1.782)0.713  
Grade
 Low gradeReference Reference 
 High grade7.082 (4.018–12.484)0.0006.204 (3.483–11.048)< 0.001
 Unknown3.277 (1.599–6.718)0.0013.137 (1.520–6.473)0.002
Tumor size
  < 5Reference Reference 
  > 52.992 (1.452–6.166)0.0032.038 (0.966–4.299)0.062
 Unknown2.889 (1.195–6.984)0.0182.322 (0.944–5.711)0.066
  1. OR odds ratio, CI confidence interval, NI not included. n = 1292
  2. 1Including American Indian/Alaska Native, Asian/Pacific Islander