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Table 3 Correlations between the St George's Respiratory Questionnaire and the Nijmegen Integral Assessment Framework#

From: Health status in COPD cannot be measured by the St George's Respiratory Questionnaire alone: an evaluation of the underlying concepts of this questionnaire

  St George's Respiratory Questionnaire
  Symptoms Activity Impacts Total
Nijmegen Integral Assessment Framework     
Symptoms  
   Subjective Symptoms 0.70 0.64 0.60 0.74
   Dyspnea Emotions 0.25 0.31 0.32 0.35
   Dyspnea Expected 0.43 0.59 0.43 0.57
   Fatigue 0.47 0.57 0.60 0.65
Functional Impairment     
   Actual Physical Activity --- 0.42 0.31 0.34
   Behavioral Impairment 0.28 0.65 0.54 0.61
   Subjective Impairment 0.67 0.70 0.71 0.81
Quality of Life     
   General Quality of Life 0.50 0.46 0.52 0.57
   Health-related Quality of Life 0.43 0.42 0.46 0.51
   Satisfaction Relations 0.24 --- --- 0.21
  1. #only significant correlations (p < 0.01) are shown; Pearson's r ≥ 0.70 (criterion for conceptual similarity)