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

Table 2

Univariate and multivariate analyses of cancer-specific survival in the training cohort.

Characteristics	Univariate analysis	Multivariate analysis
		HR (95% CI)
Age	<0.01
<61		Reference group
61-75		2.11 (1.16-3.84)	0.014
>75		3.93 (2.15-7.18)	<0.001
Gender	0.009
Female		Reference group
Male		1.36 (0.87-2.13)	0.178
Race	0.241
White
Black
Other
Ethnicity	0.561
Non-Spanish-Hispanic-Latino
Spanish-Hispanic-Latino
Tumor site	<0.001
Axial		Reference group
Appendix		0.55 (0.34-0.89)	0.017
Stage	0.139
Localized		Reference group
Regional		1.42 (0.69-2.95)	0.346
Distant		1.66 (1.05-2.63)	0.032
Histology	0.491
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		0.33 (0.20-0.52)	<0.01
Radiation	0.489
No
Yes