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Table 3 WHO functional class changes after 3 months therapy

From: Exhaled nitric oxide is not a biomarker for idiopathic pulmonary arterial hypertension or for treatment efficacy

Time

WHO Class

P-value

I

II

III

Start of Study

3 (8%)

22 (61%)

11 (30%)

 

After 3 months

5 (14%)

18 (48%)

14 (38%)

0.539

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BMC Pulmonary Medicine

ISSN: 1471-2466

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