Table 1: Ratio of CTEPH to PE incidences per 100,000 populations.

Country

Ratio of CTEPH to PE

Germany

1 : 20.2

France

1 : 20.2

Spain

1 : 20

Italy

1 : 20.2

UK

1 : 20

Japan

1 : 3.7

US

1 : 20.4