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Table 3 RR and OR of prognostic factors for metastasis

From: Postoperative nomogram to predict the probability of metastasis in Enneking stage IIB extremity osteosarcoma

  RR (95% CI) Univariate analysis Multivariate analysis*
   OR (95% CI) P OR (95% CI) P
Constant     0.00 0.000
Tumor site 3.07 (1.75 to 5.38) 6.88 (2.66 to 17.76) 0.000 6.49 (2.13 to 19.78) 0.001
ALP at diagnosis 2.03 (1.04 to 3.97) 2.93 (1.13 to 7.55) 0.03 4.27 (1.34 to 13.64) 0.01
Intracapsular extension 2.20 (1.36 to 3.56) 4.42 (1.55 to 12.65) 0.006 5.19 (1.47 to 18.27) 0.01
Huvos grade 1.97 (1.20 to 3.26) 3.30 (1.29 to 8.49) 0.01 2.37 (0.73 to 7.67) 0.15
Histologic type 2.05 (1.17 to 3.59) 3.74 (1.14 to 12.34) 0.03   
Surgical resection 3.04 (2.24 to 4.11) NA NA   
  1. Abbreviation: RR relative risk, OR odds ratio, CI confidential interval, ALP alkaline phosphatase, NA not applicable. * P-value of Hosmer and Lemshow Goodness-of-fit test is 0.649.