| 组别 | 例数 | 恶心呕吐 | 头晕嗜睡 | 
| A | 25 | 8 (32.0%) | 7 (28.0%) | 
| S1 | 25 | 9 (36.0%) | 7 (28.0%) | 
| S2 | 25 | 7 (28.0%) | 8 (32.0%) | 
| S3 | 25 | 3 (12.0%) | 2 (8.0%) | 
| χ2 | 
 | 4.211 | 4.825 | 
| P值 | 
 | 0.240 | 0.185 |