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Table 2 Severe Respiratory Insufficiency Questionnaire (SRI) scores (n = 127)

From: Living conditions and autonomy levels in COPD patients receiving non-invasive ventilation: impact on health related quality of life

  Mean SD 95% CI
Lower limit Upper limit
Respiratory complaints 53.8 19.9 50.3 57.3
Physical functioning 37.1 24.2 32.9 41.4
Attendant symptoms and sleep 58.4 19.1 55.0 61.7
Social relationships 68.6 21.7 64.8 72.5
Anxiety 51.1 24.1 46.9 55.4
Psychological well-being 57.7 19.3 54.3 61.1
Social functioning 50.8 22.4 46.9 54.8
Summary scale 54.1 16.9 51.1 57.1
  1. CI Confidence interval; SD standard deviation