Disaster and Emergency MedicinePublished 3 October 2025Development and validation of a lactate and procalcitonin-based nomogram model for predicting prognosis in ICU sepsis patientsKai-Xi Tian · Jie-Xuan Dong · Juan Du · Xu-Bing Huang · Yi LiuFrontiers in Disaster and Emergency Medicinedoi 10.3389/femer.2025.1612093