Fig. 2From: Development and validation of a prognostic scoring model for Mycobacterium avium complex lung disease: an observational cohort studyKaplan-Meier analyses of overall survival and MAC-specific survival in (a, c) cohort 1 and (b, d) cohort 2 patients stratified into low-risk, intermediate-risk, and high-risk groups according to the prognostic scoring model. MAC, Mycobacterium avium complexBack to article page