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Figure 2: KMSA curves representing the time course of the probability of survival for BOD categories (long rank test; P< 0.001). BOD=Body mass index, airflow obstruction and dyspnea, KMSA=Kaplan–Meier survival analysis

Figure 2: KMSA curves representing the time course of the probability of survival for BOD categories (long rank test; <i>P</i>< 0.001). BOD=Body mass index, airflow obstruction and dyspnea, KMSA=Kaplan–Meier survival analysis