Fig. 1From: Reply to the comment by Osuka et al.Association between annual severe burn patient volume and adjusted risk of in-hospital survival among patients who were not transferred from or transferred to other hospitals and who survived over 2 days of admission. The shaded region represents the standard errors for the point estimates. Patient severity was adjusted by prognostic burn index as a fixed effect variable. The hospital unique identifier was also adjusted as a random effect variableBack to article page