Research Article

Nomograms Predict Overall Survival and Cancer-Specific Survival in Patients with Fibrosarcoma: A SEER-Based Study

Table 3

Univariate and multivariate analyses of variables associated with cancer-specific death.

VariablesUnivariate analysisMultivariate analysis
valueHR (95% CI) value

Age, years0.049
 <58Reference
 58–731.353(0.905–2.022)0.140
 >731.382 (0.892–2.139)0.147

Sex0.011
 MaleReference
 Female0.697 (0.494–0.984)0.040

Race0.070
 WhiteReference
 Black0.704 (0.411–1.206)0.201
 Others0.466 (0.189–1.149)0.097

Surgery<0.001
 YesReference
 No3.470 (1.994–6.039)<0.001

Marital status0.492
 Married
 Unmarried

Stage<0.001
 LocalizedReference
 Regional1.788 (1.206–2.650)0.004
 Distant4.269 (2.656–6.860)<0.001

Grade<0.001
 IReference
 II1.753 (0.956–3.215)0.070
 III1.716 (0.921–3.198)0.089
 IV3.321 (1.847–5.972)<0.001

Tumor size (mm)<0.001
 <61Reference
 61–1102.039 (1.301–3.195)0.002
 >1104.579 (2.980–7.035)<0.001