Table 7. Comparisons of demographic, clinical and hemodynamic characteristics in world registries of PAH.
| Parameters | REVEAL 2010 | French 2006 | Spain 2012 | China 2011 | Korea 2011 |
|---|---|---|---|---|---|
| Cases (No) | 2,525 | 674 | 866 | 956 | 625 |
| Mean age (yr) | 50 ± 14 | 50 ± 15 | 45 ± 17 | 36 ± 13 | 48±16 |
| Female (%) | 80 | 65 | 71 | 70 | 80.5 |
| WHO III/IV (%) | 56 | 75 | 69 | 54 | 48.7 |
| 6MWD (m) | 366 ± 126 | 329 ± 112 | 382 ± 117 | 353 ± 127 | 372 ± 123 |
| mPAP (mmHg) | 51 ± 14 | 55 ± 15 | 54 ± 16 | 63 ± 15 | 66 ± 22 |
| PVRI (Wood U*m2) | 21 ± 13 | 21 ± 10 | NA | 25 ± 14 | 10 ± 6 |
6MWD, 6-minute walking distance; mPAP, mean pulmonary artery pressure; PVRI, pulmonary vascular resistance index.