Fig 1.
Participant selection from the I AM OLD cohort.
Table 1.
Participant baseline demographic and clinical characteristics (N = 189).
Fig 2.
Unadjusted associations of diffusing capacity for carbon monoxide and respiratory symptom scores [P < 0.05 (*); P<0.01 (**); P < 0.001 (***)].
Table 2.
Results from multivariable analyses of mMRC scores, grouped as mMRC <2 and mMRC≥2, CAT, and SGRQ.
Fig 3.
a. Distribution of CAT scores by DLco category. Mantel-Haenszel test was used to test for a linear trend between CAT scores and DLco category [Ptrend < 0.05 (*); Ptrend < 0.001 (**)]. b. Distribution of SGRQ scores by DLco category. Kruskal-Wallis test was used to test for a linear trend between SGRQ scores and DLCO category [Ptrend < 0.05 (*); Ptrend < 0.001 (**)].
Table 3.
Results from multivariable analyses of individual CAT questions.