ALDH1A1 and neoplasm: For patients with 14-3-3 β/ALDH1 negative tumours (n = 59, number of deaths = 16) the mean survival (estimate) was 109 months (95%CI 95–123 months) and for patients with either or both 14-3-3 β and ALDH1 positive tumours (n = 426, number of deaths = 206) the mean survival was 110 months (95% CI 101–119 months).