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. 2014 Mar 1;189(5):576–585. doi: 10.1164/rccm.201309-1575OC

Figure 2.

Figure 2.

Validation of the Bronchiectasis Severity Index (BSI) in external cohorts. (A) Mortality and hospital admissions according to mild (0–4 points), moderate (5–8 points), and severe (>8 points) risk BSI groups. (B) Kaplan-Meier survival curves (mortality) in the mild, moderate, and severe groups (P < 0.0001 by log rank test) in the Leuven cohort. (C) Exacerbation frequency in the mild, moderate, and severe groups according to the BSI (P < 0.0001 for Newcastle and Dundee cohorts, P = 0.03 for Monza cohort). (D) Receiver operator characteristic curves for mortality and hospital admissions according to the BSI.