Figures & data
Table 1 Age, physiologic and smoking status of study subjects randomized to placebo or N-acetylcysteine
Table 2 Number of randomized subjects and treatment allocation by study
Table 3 Definition of exacerbation by study
Table 4 Outcomes and odds of exacerbation with N-acetylcysteine therapy, by study
Figure 2 Summary effect of N-acetylcysteine on the odds of exacerbation in patients with COPD. The center of diamond indicates the summary effect and its width the 95% confidence interval.
![Figure 2 Summary effect of N-acetylcysteine on the odds of exacerbation in patients with COPD. The center of diamond indicates the summary effect and its width the 95% confidence interval.](/cms/asset/e4dba361-590b-4022-824e-3dd397a5ebcf/icop_a_197637_uf0002_b.gif)