| 组别 | n | 头晕 | 呕吐 | 口干 | 总发生率 |
| 观察组 | 20 | 1 (5.00) | 0 (0.00) | 0 (0.00) | 1 (5.00) |
| 对照组 | 20 | 2 (10.00) | 0 (0.00) | 0 (0.00) | 2 (10.00) |
| x2 | - |
|
|
| 0.360 |
| P | - |
|
|
| 0.548 |