A Nomogram Predicting Overall and Cancer-Specific Survival of Patients with Primary Bone Lymphoma: A Large Population-Based Study

Table 3

Univariate and multivariate analyses of overall survival in the training cohort.

Characteristics	Univariate analysis	Multivariate analysis
		HR (95% CI)
Age	<0.01
<61		Reference group
61-75		3.50 (1.82-5.12)	<0.001
>75		6.83 (4.09-11.41)	<0.001
Gender	0.009
Female		Reference group
Male		1.20 (0.84-1.72)	0.318
Race	0.683
White
Black
Other
Ethnicity	0.305
Non-Spanish-Hispanic-Latino
Spanish-Hispanic-Latino
Tumor site	<0.001
Axial		Reference group
Appendix		0.63 (0. 43-0.93)	0.020
Stage	0.035
Localized		Reference group
Regional		1.54 (0.85-2.78)	0.153
Distant		1.69 (1.16-2.45)	0.006
Histology	0.259
Diffuse large B-cell lymphoma
Malignant lymphoma
Non-Hodgkin lymphoma
Malignant lymphoma, small B lymphocytic
Lymphoplasmacytic lymphoma
Malignant lymphoma, large B, diffuse
Chemotherapy	<0.001
No		Reference group
Yes		0.42 (0.29-0.62)	<0.01
Radiation	0.742
No
Yes