| | |
Surgery
| |
CCRT
| |
Standardized differencea
|
|---|
| | |
Number or mean (sd)a
|
(%)a
|
Number or mean (sd)a
|
(%)a
|
|---|
|
Age
| |
57.00 (7.63)
| |
56.61 (9.62)
| |
0.05
|
|
Gender
|
Female
|
6
|
(5)
|
3
|
(3)
|
0.14
|
|
Male
|
104
|
(95)
|
107
|
(97)
| |
|
Residency
|
Non-north
|
76
|
(69)
|
80
|
(73)
|
0.08
|
|
North
|
34
|
(31)
|
30
|
(27)
| |
|
Tumor size
|
≤ 5 cm
|
43
|
(39)
|
42
|
(38)
|
0.02
|
|
> 5 cm
|
67
|
(61)
|
68
|
(62)
| |
|
Differentiation
|
Poorly/undifferentiated
|
41
|
(37)
|
42
|
(38)
|
0.02
|
|
Well/moderately
|
69
|
(63)
|
68
|
(62)
| |
|
RT delivery
|
Non-IGRT
|
94
|
(85)
|
96
|
(87)
|
0.05
|
|
IGRT
|
16
|
(15)
|
14
|
(13)
| |
|
Institution
|
Low volume
|
40
|
(36)
|
45
|
(41)
|
0.09
|
|
High volume
|
70
|
(64)
|
65
|
(59)
| |
|
Use of PET
|
Without
|
12
|
(11)
|
12
|
(11)
|
0.00
|
|
With
|
98
|
(89)
|
98
|
(89)
| |
|
Location
|
Cervical
|
1
|
(1)
|
1
|
(1)
|
0.00
|
|
Noncervical
|
109
|
(99)
|
109
|
(99)
| |
- sd standard deviation, RT radiotherapy, IGRT image-guided RT, PET positron emission tomography, CCRT concurrent chemoradiotherapy
- aRounded
