highly significantp < 0.001
Notably, calendar period was itself a highly significant prognostic factor (HR: 0.217, 95% CI: 0.145–0.326, p < 0.001), reflecting substantially improved outcomes in the more recent era.
Notably, calendar period was itself a highly significant prognostic factor (HR: 0.217, 95% CI: 0.145–0.326, p < 0.001), reflecting substantially improved outcomes in the more recent era.