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Table 4 Correlations Between CASIS and Other PRO Measures--Asthma Sample: Baseline Data

From: Development and psychometric assessment of the COPD and Asthma Sleep Impact Scale (CASIS)

PRO Measure

Spearman's Correlation

Overall Health Status

0.48

ALIS

0.59

AQLQ--Symptoms

-0.75

AQLQ--Activity Limitation

-0.68

AQLQ--Emotional Function

-0.59

AQLQ--Environmental Stimuli

-0.49

AQLQ--Overall Score

-0.72

  1. All correlations significant at p < 0.0001