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Table 4 Slope of least squares regression line

From: Randomised, controlled trial of N-acetylcysteine for treatment of acute exacerbations of chronic obstructive pulmonary disease [ISRCTN21676344]

 

N-acetylcysteine (n = 25)

Placebo (n = 25)

Likert Score

0.16 (0.42)

0.35 (0.45)

FEV 1 % predicted

0.001 (0.015)

0.019 (0.019)

Sa0 2

0.40 (0.89)

0.88 (1.43)

  1. Mean and standard deviations for slopes of the least square regression lines for the effects of NAC and placebo on Likert scores for breathlessness, FEV1 % predicted and SaO2. There were no significant differences between NAC and placebo.