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Table 2 Symptoms score

From: Persistence of oxidant and protease burden in the airways after smoking cessation

Visit Symptoms score Activity score Impact score Total score
0 47 (0–91) 39 (0–100) 19 (0–69) 30 (2–82)
1 16 (0–53) 18 (0–61) 4 (0–38) 10 (0–41)
3 26 (0–77) 18 (0–55) 14 (0–43) 21 (0–61)
  1. Symptoms score is concerned with the effect of respiratory symptoms, their frequency and severity, activity score activities that cause or are limited by breathlessness and impacts score covers a range of aspects such as social functioning and psychological disturbances resulting from airways disease. Total score summarises the impact of the disease on overall health status. According to SGRQ manual, decrease of more than four points in the questionnaire is clinically significant. SGRQ total score and subdomains scores are given only for the quitters.