Table 4.

Univariate and multivariate Cox regression analysis of each factor's ability in predicting OS and DSS among DLBCL patients.

	Overall Survival		Disease-Specific Survival
	HR (95% CI)	P	HR (95% CI)	P
(A) UNIVARIATE ANALYSES
Age at diagnosis
0–29 vs. 30–49	1.00 (0.50–1.99)	0.999	1.08 (0.52–2.23)	0.838
0–29 vs. 50–69	1.36 (0.70–2.67)	0.365	1.20 (0.58–2.45)	0.625
0–29 vs. ≥ 70	2.12 (1.09–4.13)	0.026	1.84 (0.91–3.75)	0.090
Sex
Female vs. Male	0.93 (0.77–1.12)	0.433	0.93 (0.75–1.14)	0.468
Race
Black vs. White	1.25 (0.83–1.89)	0.292	1.08 (0.69–1.71)	0.726
Black vs. Othersa	0.86 (0.65–1.14)	0.283	0.76 (0.56–1.03)	0.072
Marital status
Married vs. Unmarried	1.26 (1.05–1.51)	0.0134	1.43 (1.17–1.76)	<0.001
Surgery
No/unknown vs. Performed	0.57 (0.33–0.99)	0.0474	0.57 (0.30–1.06)	0.075
Radiation
No/unknown vs. Performed	0.99 (0.67–1.46)	0.969	0.91 (0.58–1.42)	0.665
Chemotherapy
No/unknown vs. Performed	0.34 (0.28–0.41)	<0.001	0.34 (0.27–0.42)	<0.001
(B) MULTIVARIATE ANALYSES
Age at diagnosis			/
0–29 vs. 30–49	1.21 (0.61–2.41)	0.586	/	/
0–29 vs. 50–69	1.83 (0.93–3.62)	0.080	/	/
0–29 vs. ≥ 70	2.53 (1.29–4.96)	0.006	/	/
Marital status
Married vs. Unmarried	1.34 (1.11–1.62)	0.002	1.33 (1.09–1.64)	0.005
Surgery			/
No/unknown vs. Performed	0.63(0.36–1.09)	0.100	/	/
Chemotherapy
No/unknown vs. Performed	0.36 (0.30–0.44)	<0.001	0.35 (0.28–0.43)	<0.001

^aAmerican Indian/Alaskan Native or Asian/Pacific Islander.