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Summary of patient enrollment by province
| Province | n | % |
| Beijing | 729 | 24.14 |
| Shanghai | 488 | 16.16 |
| Zhejiang | 456 | 15.10 |
| Jiangsu | 399 | 13.21 |
| Guangdong | 277 | 9.17 |
| Sichuan | 183 | 6.06 |
| Henan | 158 | 5.23 |
| Shandong | 109 | 3.61 |
| Liaoning | 95 | 3.15 |
| Xinjiang | 38 | 1.26 |
| Heilongjiang | 17 | 0.56 |
| Hunan | 17 | 0.56 |
| Shanxi | 16 | 0.53 |
| Fujian | 14 | 0.46 |
| Tianjin | 12 | 0.40 |
| Hainan | 8 | 0.26 |
| Hubei | 4 | 0.13 |
