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Table 4 Univariate and multivariate analyses of prognostic factors for PASTs and GISTs

From: Clinicopathological characteristics and prognosis of primary appendiceal stromal tumors

Prognostic factors Univariate analysis Multivariate analysis
β HR(95%CI) P β HR(95%CI) P
DFS
 Age 0.633 1.883(0.730–4.860) 0.191    
 Sex −1.008 0.365(0.142–0.941) 0.037    
 Location 0.192 1.210(0.162–9.030) 0.852    
 Ulceration −0.842 0.431(0.247–0.751) 0.003 −0.697 0.498(0.271–0.915) 0.025
 Tumor size −1.731 0.177(0.059–0.529) 0.002 1.054 2.868(1.166–7.054) 0.022
 Mitotic index 1.569 4.802(1.952–11.814) 0.001    
 Histologic type 1.249 3.488(1.380–8.816) 0.008    
 NIH risk category 1.129 3.093(1.649–5.801) 0.000 0.955 2.598(1.402–4.815) 0.002
  1. DFS disease-free survival