Salvage radiotherapy in patients with local recurrent esophageal cancer after radical radiochemotherapy

Radiation Oncology

Table 2 Prognostic factors by log-rank test and univariate survival analysis

Characteristics	Number	Median OS(months)	Log-rank test p value	Univariate analysis p value
Gender
Female	59	18	0.975	0.573
Male	55	16	0.975	0.573
Age (years)
<60	33	15	0.536	0.310
≥60	81	18	0.536	0.310
Location
Upper	73	19	0.001	0.02
Middle	37	15
Lower	4	12.3
Initial length (cm)
≤5 cm	72	17	0.806	0.381
>5 cm	42	17.5	0.806	0.381
Initial ECOG-PS
0-I	98	17.5	0.150	0.647
II	15	13
III	1	12
Initial clinical stage
I-II	76	21	0.0002	0.07
III	38	10	0.0002	0.07
TRS time
≤12 months	62	12	0.0001	0.0002
>12 months	52	26	0.0001	0.0002
Group
SR	55	20	0.003	0.001
NSR	59	14	0.003	0.001

ISSN: 1748-717X