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Table 2 Breathlessness, cough and sputum score of the 731 study subjects

From: SF-6D utility scores of smokers and ex-smokers with or without respiratory symptoms attending primary care clinics

  Mean ± SD Observed range
Total BCSS score = 0 (no symptoms) to 12 (all severe symptoms) 0.947 ± 1.121 0–9
Breathlessness (0–4) 0.071 ± 0.297 0–2
Cough (0–4) 0.378 ± 0.571 0–3
Sputum (0–4) 0.498 ± 0.598 0–4