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Table 2 Results All results expressed as Medians in top line and Mean (and 95% CI) in second line.

From: Is nebulized saline a placebo in COPD?

  Active group Placebo group P value (Mann Whitney)
FEV1 0.77 0.80 0.84
Pre-treatment 0.77 (0.65–0.89) 0.78 (0.61–0.95)  
FEV1 0.75 0.73 0.74
Post nebulized saline 0.73 (0.62–0.84) 0.75 (0.59–0.91)  
FEV1 0.80 0.77 0.63
Post salbutamol MDI 0.81 (0.67–0.94) 0.79 (0.62–0.96)  
Breathlessness 4 4 0.34
Score 1 (Pre-treatment). 3.9 (3.6–4.3) (1 = Not breathless, 7 = Worst possible breathlessness) 3.5 (3.0–4.0)  
Breathlessness 3 4  
Score 2 (Post nebulized saline) 3.0 (2.6–3.5) 3.3 (2.8–3.9) 0.85
Wilcoxon test Score 1 V Score 2 <0.0001 0.37  
Breathlessness 3 3 0.35
Score 3 (Post salbutamol MDI) 2.9 (2.5–3.3) 3.0 (2.6–3.5)  
Wilcoxon test Score 2 V Score 3 0.43 0.014  
Symptom Relief 3 1 0.0002
Score Post nebulized saline 3.1 (2.7–3.6) (1 = No benefit, 7 = Best possible benefit) 1.7 (1.2–2.3)  
Symptom Relief 3 3 0.37
Score Post salbutamol MDI 3.2 (2.7–3.7) 2.9 (2.4–3.4)