Table 5: Geography/ethnicity-based distribution of mutations in CYP1B1 gene in PCG patients
| Country/ethnogeographic origin | Number of cases reported | References | |||
| Algeria | 15 | 113❶ | |||
| Asia | 4 | 148❷ | |||
| Brazil | 26 | 53 | |||
| 4 | 149 | ||||
| 9 | 150 | ||||
| Britain | 15 | 151❸ | |||
| Canadian | 2 | 152 | |||
| China | 7 | 153 | |||
| 1 | 154 | ||||
| 20 | 155 | ||||
| 6 | 156 | ||||
| 1 | 157 | ||||
| Ecuador | 2 | 158 | |||
| Germany | 9 | 159 | |||
| Gypsies | 7 | 160 | |||
| Hispanic | 17 | 106❹ | |||
| India | 37 | 161 | |||
| 2 | 162 | ||||
| 24 | 163 | ||||
| 1 | 116 | ||||
| 1 | 164 | ||||
| 1 | 165 | ||||
| 6 | 166 | ||||
| 23 | 104 | ||||
| 9 | 105 | ||||
| Indonesia | 6 | 167❺ | |||
| Iran | 72 | 168 | |||
| 13 | 169 | ||||
| Israel | 9 | 170 | |||
| Japan | 13 | 110 | |||
| 2 | 107 | ||||
| 4 | 171 | ||||
| Kuwait | 12 | 172 | |||
| Mexico | 4 | 173 | |||
| 2 | 174 | ||||
| Morocco | 11 | 175 | |||
| 19 | 176 | ||||
| Netherlands | 1 | 177 | |||
| 1 | 178 | ||||
| Oman | 8 | 179 | |||
| Pakistan | 3 | 180 | |||
| Russia | 26 | 181❻ | |||
| Saudi Arabia | 24 | 62 | |||
| 10 | 108 | ||||
| 5 | 182❼ | ||||
| Slovak Gypsies | 20 | 115 | |||
| Spain | 14 | 183 | |||
| 1 | 184 | ||||
| Turkey | 5 | 102 | |||
| 1 | 185 | ||||
| 15 | 186 | ||||
| United States of America | 1 | 187 |
❶This study also included French and Portuguese patients; ❷This study also included Hispanic, Middle Eastern and Caucasian patients; ❸This study also included Italian and Indian patients; ❹This study also included American, French, British and Turkish patients; ❺This study also included Sudanese, Turkish and Italian patients; ❻This study also included Costa Rican, Turkish, German, Swiss, American and Saudi Arabian patients; ❼This study also included Egyptian patients