Abnormalities of the Ventilatory Equivalent for Carbon Dioxide in Patients with Chronic Heart Failure

<table>Kaplan-Meier survival curve showing VEqCO<sub>2</sub> nadir-data dichotomised by optimal cut-points (&lt;33 <svg height="11.125" id="M61" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 52.5625 11.125" width="52.5625" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,10.862)"><use xlink:href="#x1D45B"></use></g><g transform="matrix(.017,-0,0,-.017,13.305,10.862)"><use xlink:href="#x3D"></use></g><g transform="matrix(.017,-0,0,-.017,28.008,10.862)"><use xlink:href="#x32"></use></g><g transform="matrix(.017,-0,0,-.017,36.168,10.862)"><use xlink:href="#x35"></use></g><g transform="matrix(.017,-0,0,-.017,44.327,10.862)"><use xlink:href="#x32"></use></g>
</svg> patients, event free survival 85%; ≥33 <svg height="11.125" id="M62" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 52.5625 11.125" width="52.5625" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,10.862)"><use xlink:href="#x1D45B"></use></g><g transform="matrix(.017,-0,0,-.017,13.305,10.862)"><use xlink:href="#x3D"></use></g><g transform="matrix(.017,-0,0,-.017,28.008,10.862)"><use xlink:href="#x31"></use></g><g transform="matrix(.017,-0,0,-.017,36.168,10.862)"><use xlink:href="#x37"></use></g><g transform="matrix(.017,-0,0,-.017,44.327,10.862)"><use xlink:href="#x31"></use></g>
</svg> patients, event free survival 54%).</table>

Pulmonary Medicine

fig5

Figure 5

Figure 5: Abnormalities of the Ventilatory Equivalent for Carbon Dioxide in Patients with Chronic Heart Failure 