Research Article

Prognostic Value of Rab27B Nuclear Expression in Gastrointestinal Stromal Tumors

Table 2

Univariate and multivariate analysis of prognostic factors in GIST for 5-year survival.

Univariate analysisMultivariate analysis
HR95% CIHR95% CI

Rab27B expression
 High versus low2.610.009*1.3849.8432.070.038*1.07010.925
Gender
 Male versus female−1.520.128.2501.191
Age (years)
 ≤60 versus >600.320.746.5312.423
Tumor diameter (cm)
 <5 versus 5–10 versus ≥102.570.010*1.2023.894
Mitotic index (per 50 HPFs)
 0–5 versus 6–10 versus >104.37<0.001*1.8855.2872.180.029*1.23650.063
Gross classification
 Single versus multiple0.470.639.3375.904
Tumor position
 Stomach versus intestine versus others0.280.782.6291.850
AFIP Miettinen risk classification
 Very low-low risk versus moderate-high risk1.970.049*1.0038.178
Tumor grade
 Stages I-II versus Stages III-IV4.18<0.001*1.5603.415

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