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Figure 10 | Respiratory Research

Figure 10

From: Exhaled carbon monoxide in asthmatics: a meta-analysis

Figure 10

eCO WMD (95%CI) between different asthma groups and healthy subjects. There were no significant differences in eCO levels between steroid-free and steroid-treated asthmatics, mild + moderate persistent and severe persistent asthma, controlled + partly controlled and uncontrolled asthma. However, the eCO level of intermittent asthma was significantly lower than mild + moderate persistent asthma. CI: confidence interval; WMD: weighted mean difference; eCO: exhaled carbon monoxide; ▲: mean of WMD between asthmatics and healthy subjects; vertical line: 95%CI of WMD between asthmatics and subjects.

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