Adverse events in the treatment group and in the control group
| Treatment | Control | P value | |
| N | 30 | 15 | |
| Cramp, mean | 5.5 | 5.2 | NS |
| 95% CI | (4.6 to 6.4) | (3.6 to 6.8) | |
| Nausea, mean | 4,6 | 2,5 | NS |
| 95% CI | (3.6 to 5.6) | (1.0 to 4.0) | |
| Vomiting, mean | 2,3 | 1,5 | NS |
| 95% CI | (1.4 to 3.3) | (0.1 to 3.0) |
CI, Confidence Interval; NS, not significant.