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#Statistically significant
HR: heart rate, bpm: beats per minute
| Adverse effect | Group A (n = 157) | Group B (n = 160) | p-value |
| Tachycardia (HR > 100 bpm) | 11 | 21 | 0.105 |
| Hypotension | 12 | 2 | 0.0058# |
| Bradycardia | 0 | 1 | 1.0 |
| Palpitation | 7 | 13 | 0.266 |
| Arrhythmias | 0 | 0 | Not applicable |
| Nausea | 3 | 23 | 0.000046# |
| Vomiting | 1 | 7 | 0.067 |
| Constipation | 3 | 8 | 0.219 |
| Shivering | 9 | 1 | 0.01# |
| Headache | 1 | 2 | 1.0 |
| Backache | 4 | 0 | 0.059 |
| Numbness | 3 | 0 | 0.120 |
