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Table 5 Univariate logrank analyses of prognostic parameters of NPC

From: Survival analyses correlate stanniocalcin 2 overexpression to poor prognosis of nasopharyngeal carcinomas

Parameters Category No. of cases OS PFS LRRFS DMFS
    Events P Events P Events P Events P
STC2 Positive 65 12 0.049* 22 0.007* 10 0.250 14 0.028*
  Negative 29 1   2   2   1  
Gender Male 68 11 0.190 20 0.162 10 0.336 13 0.190
Female 26 2   4   2   2  
Age ≤ 50 years 50 5 0.288 11 0.371 8 0.365 5 0.083
>50 years 44 8   13   4   10  
T classification 1-2 29 2 0.151 6 0.441 5 0.411 3 0.269
3-4 65 11   18   7   12  
N classification 0-1 50 4 0.070 11 0.270 6 0.709 6 0.200
2-3 44 9   13   6   9  
Clinical stage I 4 0 0.004* 0 0.472 0 0.781 0 0.317
II 10 0   2   2   0  
III 50 4   13   6   9  
IV 30 9   9   4   6  
Treatment RT alone 18 4 0.360 5 0.783 1 0.324 4 0.373
CRT 76 9   19   11   11  
Radiotherapy IMRT 54 3 0.008* 10 0.050* 2 0.001* 5 0.567
2D-RT 40 10   14   10   14  
Residual Yes 32 4 0.875 4 0.048* 2 0.194 3 0.211
  No 62 9   20   10   12  
  1. *P values showing statistically significance were indicated by *.
  2. “Events” are numbers of failed cases regarding OS, PFS, LRRFS and DMFS.