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The incidence rate of PH among patients diagnosed with ILD that went through echocardiography in ANA+ and ANA− groups.
| Number | The number of patients with PH | PH incidence rate | |
|---|---|---|---|
| ANA+ | 126 | 28 | 22.22% |
| ANA− | 56 | 18 | 32.14% |
| ANA diagnosed cases | 182 | 46 | 25.30% |
PH – pulmonary hypertension; ILD – interstitial lung disease; ANA – antinuclear antibody.
