Physical Therapy Korea
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Test-retest reliability and correlations (Spearman coefficients) the FAICT-dyspnea between factors and total score

Instrument FACIT-dyspnea

Cronbach alpha Confidence interval Correlation coefficient
Factor 1 1 vs. 2 0.962* 0.947–0.972 0.875*
Factor 2 1 vs. 2 0.957* 0.938–0.971 0.920*
Total 1 vs. 2 0.969* 0.957–0.977 0.914*

FACIT, Functional Assessment of Chronic Illness Therapy. *Correlation is significant at the 0.01 level; Spearman correlation coefficient.

Phys. Ther. Korea 2020;27:111~117 https://doi.org/10.12674/ptk.2020.27.2.111
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