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Breathlessness and incidence of COPD, cardiac events and all-cause mortality: A 44-year follow-up from middle age throughout life
Fig 3
All-cause mortality per modified Medical Research Council (mMRC) grade from age 55 and throughout life.
P-values were calculated using log rank tests.
doi: https://doi.org/10.1371/journal.pone.0214083.g003