Table 2—

St George’s Respiratory Questionnaire (SGRQ) baseline scores and changes during an acute exacerbation of chronic obstructive pulmonary disease (AECOPD) following early identification

SGRQBaseline#Change in SGRQ score
nOnsetn4–8 daysn11–15 days
  • Data are presented as mean±sd, unless otherwise stated. #: the most recent SGRQ score taken ≥48 h prior to an AECOPD (mean±sd time delay between baseline and exacerbation was 33.2±22.3 days); : change from the most recent score taken ≥48 h prior to an AECOPD. *: p<0.05; ***: p<0.001.