Bring the significant factors identified by univariate analysis into the Cox multivariate regression proportional hazards model, we found that patients with a history of previous another malignancy demonstrated as an adverse prognostic factor for OS when compared with those diagnosed with GISTs only (hazard ratio [HR], 1.11; 95% confidence interval [95% CI], 0.99–1.25), albeit this did not reach statistical significance ( p = 0.085).
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Long-term survival among patients with gastrointestinal stromal tumors diagnosed after another malignancy: a SEER population-based study.
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0.0850
0.0850