Table 2.

Variables associated with overall survival in univariate analyses for the entire study population.

Independent variables	Median OS	P value
Age, yrs		<.001
31–69	9.00 (7.74–10.26)
70–79	8.00 (5.34–10.66)
80–97	4.00 (2.09–5.91)
Sex		.409
Female	7.00 (5.56–8.44)
Male	7.00 (5.68–8.32)
Race		.307
Black	5.00 (2.76–7.24)
Other	10.00 (6.56–13.44)
White	8.00 (7.01–8.99)
SEER historic stage		<.001
Distant	5.00 (3.74–6.26)
Localize	14.00 (10.08–17.92)
Regional	12.00 (9.08–14.92)
Primary site		.046
Lower t	8.00 (6.57–9.43)
Middle	9.00 (7.68–10.32)
Overlap	4.00 (2.62–5.38)
Upper t	9.00 (7.09–10.91)
Surgery		.022
No	7.00 (6.00–8.00)
Yes	14.00 (8.81–19.19)
Radiotherapy		<.001
No	5.00 (3.51–6.49)
Yes	10.00 (8.34–11.66)
Chemotherapy		<.001
No	2.00 (1.45–2.55)
Yes	11.00 (9.86–12.14)