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| Chinese province | Population at risk | Estimated prevalence | Estimated median number of new cases per year |
| Gansu | 3.6 million | 2.9% | 7676 |
| Inner Mongolia | 3 million | 0.02% | 44 |
| Qinghai | 5.4 million | 1.0% | 3766 |
| Ningxia | 1.2 million | 2.0% | 1770 |
| Sichuan | 0.92 million | 3.6% | 2390 |
| Tibet Autonomous Region | 2.7 million | 0.1% | 172 |
| Xinjiang | 5.8 million | 0.2% | 811 |
