Demographic characteristic | Mayo Clinic* | NIH | Vienna |
---|---|---|---|
Years of recruitment of patients | 1999–2001 | 1994–2001 | Unclear |
Proportion of female gender of all patients | 287/507 (57%) | 475/858 (55%) | 24/31 (77%) |
Proportion of sporadic pheochromocytoma patients (%) | 39/56 (70%) | 138/214 (64%) | 14/17 (82%) |
Proportion of non-pheochromocytoma patients with no genetic predisposition to disease†| 399/445 (90%) | 305/644 (47%) | Unclear |
Mean age, years (range) of all pheochromocytoma patients | 49 (16–83) | 33,47‡ (8–78) | 46 |
Mean age, years (range) of all non-pheochromocytoma patients | 52 (7–86) | 38,47‡ (8–77) | 44 |