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Table 9 St George’s Respiratory Questionnaire (SGRQ) analysis for participants with valid baseline and 8-week SGRQ scores

From: A pilot randomised controlled trial of a Telehealth intervention in patients with chronic obstructive pulmonary disease: challenges of clinician-led data collection

Time point Metric Standard (n = 9) Telehealth (n = 12)
  Mean (SD) 65.34 (13.68)* 69.63 (16.58)
Baseline (n = 21) Median (IQR) 67.24 (52.97–77.73) 73.32 (55.16–83.85)
  Min – Max (Range) 44.77–82.25 (37.48) 35.88–88.09 (52.21)
  Mean (SD) 59.18 (13.21) 67.47 (15.70)
8-week (n = 21) Median (IQR) 62.14 (44.52–67.98) 69.99 (55.82–76.83)
  Min – Max (Range) 42.71–81.66 (38.95) 37.18–87.88 (50.70)
  1. *The SGRQ is scored from 0 (best possible health status) to 100 (worst possible health status).