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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