Gynae BT 2017
PORTEC-1: risk factors for locoregional relapse
PORTEC Locoregional relapse
Treatment arm
FIGO review grade
30
30
N 354 360
F 15 50 P <.001
N 395 88 86 145
F 28 9
RT no RT Logrank
I II III ND Logrank
15 13 P =0.006
III
20
20
no RT
I II ND
10
10
RT
0
0
years
0
5
242 49 39 78 10
15
At risk: 395
I II III ND
323 74 52 111
64 9 5 12
years
0
5
199 209 10
15
88 86 145
At risk: 354 360
RT no RT
284 276
48 42
Invasion
Age
30
30
N 294 420
F 19 46 P =0.04
N 200 271 243
F 8
<1/2 >1/2 Logrank
<60 60-70 >70 Logrank
27 30 P =0.003
>70
20
20
>1/2
60-70
10
10
<1/2
<60
0
0
years
0
5
146 165 97 10
15
At risk: 200 271 243
years
0
5
179 229 10
15
<60 60-70 >70
182 211 167
32 41 17
At risk: 294 420
<1/2 >1/2
233 327
39 51
Creutzberg et al, ASTRO 2009, IJROBP 2011
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