Parameters
|
No. of patients
|
DFS
|
OS
|
---|
Progression
|
Univariate analysis
|
Multivariate analysis*
|
Death
|
Univariate analysis
|
Multivariate analysis*
|
---|
No. (%)
|
HR (95 % CI)
|
P value
|
HR (95 % CI)
|
P value
|
No. (%)
|
HR (95 % CI)
|
P value
|
HR (95 % CI)
|
P value
|
---|
Age
| | | |
0.287
| |
0.295
| | |
0.123
| |
0.087
|
<60
|
181
|
110 (60.8)
|
1.00
| |
1.00
| |
95 (52.5)
|
1.00
| |
1.00
| |
≥60
|
163
|
110 (67.5)
|
1.15 (0.89–1.50)
| |
1.15 (0.88–1.51)
| |
101 (91.8)
|
1.25 (0.94–1.65)
| |
1.28 (0.96–1.70)
| |
Sex
| | | |
0.083
| |
0.816
| | |
0.189
| |
0.847
|
Male
|
295
|
194 (65.8)
|
1.00
| |
1.00
| |
173 (58.6)
|
1.00
| |
1.00
| |
Female
|
49
|
26 (53.1)
|
0.69 (0.46–1.05)
| |
0.82 (0.51–1.30)
| |
23 (46.9)
|
0.72 (0.48–1.15)
| |
0.95 (0.58–1.56)
| |
Smoking
| | | |
0.080
| |
0.250
| | |
0.035
| |
0.046
|
Never
|
122
|
72 (59.0)
|
1.00
| |
1.00
| |
61 (50.0)
|
1.00
| |
1.00
| |
Yes
|
222
|
148 (66.7)
|
1.28 (0.97–1.70)
| |
1.22 (0.87–1.70)
| |
135 (60.8)
|
1.39 (1.02–1.88)
| |
1.44 (1.01–2.07)
| |
Drinking
| | | |
0.192
| |
0.970
| | |
0.302
| |
0.855
|
No
|
171
|
103 (60.2)
|
1.00
| |
1.00
| |
92 (53.8)
|
1.00
| |
1.00
| |
Yes
|
173
|
117 (67.6)
|
1.19 (0.92–1.56)
| |
1.01 (0.75–1.36)
| |
104 (60.1)
|
1.16 (0.88–1.54)
| |
0.97 (0.71–1.33)
| |
Vessel invasion
| | | |
0.0006
| |
0.015
| | |
0.0002
| |
0.005
|
No
|
243
|
142 (58.44)
|
1.00
| |
1.00
| |
122 (50.21)
|
1.00
| |
1.00
| |
Yes
|
101
|
78 (72.23)
|
1.61 (1.22–2.13)
| |
1.44 (1.07–1.94)
| |
74 (73.27)
|
1.72 (1.29–2.30)
| |
1.56 (1.14–2.12)
| |
Neural invasion
| | | |
0.831
| |
0.481
| | |
0.505
| |
0.787
|
No
|
254
|
161 (63.39)
|
1.00
| |
1.00
| |
141 (55.51)
|
1.00
| |
1.00
| |
Yes
|
90
|
59 (65.56)
|
1.03 (0.77–1.39)
| |
0.90 (0.66–1.22)
| |
55 (61.11)
|
1.11 (0.81–1.52)
| |
0.96 (0.69–1.32)
| |
TNM stage
| | | |
<0.0001
| |
0.007
| | |
0.0003
| |
0.021
|
II
|
116
|
58 (50.00)
|
1.00
| |
1.00
| |
52 (44.83)
|
1.00
| |
1.00
| |
III
|
228
|
162 (71.05)
|
1.80 (1.33–2.43)
| |
1.55 (1.13–2.12)
| |
144 (63.16)
|
1.78 (1.29–2.44)
| |
1.49 (1.06–2.08)
| |
Lymphadenectomy
| | | |
0.003
| |
0.035
| | |
0.006
| |
0.066
|
Two fields
|
281
|
172 (61.21)
|
1.00
| |
1.00
| |
153 (54.45)
|
1.00
| |
1.00
| |
Three fields
|
63
|
48 (76.19)
|
1.62 (1.18–2.24)
| |
1.42 (1.03–1.97)
| |
43 (68.25)
|
1.61 (1.14–2.25)
| |
1.38 (0.98–1.95)
| |
- * Adjusted for all parameters listed in Table 1