Table 5.
Comparison of findings with other PCV studies
| Authors | Ethnic group | No of patients | Mean age | Male sex | Bilaterality | Location of polyps |
| Yannuzzi et al6 (1997) | Black (50%) | 20 | 60 | 15% | 80% | Macular = 25% |
| White (20%) | Peripapillary = 75% | |||||
| Asian (30%) | ||||||
| Lafaut et al8 (2000) | White (100%) | 36 | N/A | 47% | 61% | Macular = 49% |
| Peripapillary = 36% | ||||||
| Arcade = 13% | ||||||
| Midperiphery = 13% | ||||||
| Uyama et al9 (1999) | Japanese (100%) | 32 | 65.7 | 69% | 9% | Macular = 94% |
| Peripapillary = 9% | ||||||
| Ahuja et al10 (2000) | White (74%) | 34 | 65.4 | 35% | 47% | Macular = 68% |
| Black (20%) | Peripapillary = 18% | |||||
| East Asians (6%) | Extramacular = 14% | |||||
| Scassellati-Sforzolini et al11 (2001) | White (100%) | 19 | 73.4 | 47% | 21% | Macular = 53% |
| Peripapillary = 37% | ||||||
| Periphery = 10% | ||||||
| Kwok et al (2002) | Chinese (100%) | 19 | 65.1 | 68% | 16% | Macular = 64% |
| Peripapillary = 32% | ||||||
| Both = 4% |