Table 1.
Comparison with Rates of ‘Fainting’ in Prospective Studies
| Study | Country of study | Number/treatments | Incidence rate (%) |
|---|---|---|---|
| He et al. 20121 | China | 468/1,500,000,000a | 0.0003 |
| Chen et al. 199040 | Taiwan | 55/28,285 | 0.194 |
| Yamashita et al. 199941b | Japan | 0/65,482 | 0 |
| Yamashita et al. 200042b | Japan | 0/1441 | 0 |
| Park et al. 201043b | Korea | 0/3071 | 0 |
| MacPherson et al. 2001+200144,45b | U.K. | 4/34,407 | 0.012 |
| White et al. 200146 | U.K. | 6/31,822 | 0.019 |
| Witt et al. 201147 | Germany | 62/2,200,000 (treatments) | 0.003 |
| 62/229,230 (patients) | 0.027 |
a
This number of 1.5 billion treatments is probably very conservative.
b
The authors distinguish between the milder “feeling faint” and the more severe “fainting.” The numbers here are for reports of actual fainting.