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. 2024 Apr 19;24:188. doi: 10.1186/s12890-024-02991-1

Table 2.

Construct validity: Spearman correlations between L-PF-35 Dyspnea domain scores and anchors at baseline

LPF Dyspnea Domain Score
UCSD

0.81

< 0.0001

SGRQa

0.82

< 0.0001

FVC%

-0.37

0.01

DLCO%

-0.37

0.01

Values are correlation coefficient (above) and p value (below); FVC% = percentage of the predicted forced vital capacity; DLCO% = percentage of the predicted diffusing capacity of the lung for carbon monoxide; SGRQa = SGRQ Activity score; UCSD = University of California San Diego Shortness of Breath Questionnaire