of borderline significancep = 0.098
In the univariate analysis ( Figure 4 ), female gender was associated with a predictor of longer ttSCLC of borderline significance (HR, 0.65; 95% CI, 0.391–1.083; p = 0.098), while tobacco smoking (either former or current) was also associated with an earlier occurrence of ttSCLC phenotype of borderline significance (HR, 0.61; 95% CI, 0.346–1.072; p = 0.085).