Table II.
Meta-analysis of adverse effects compared between the GSH and control group.
| Pooled results | ||||||
|---|---|---|---|---|---|---|
| Adverse effect | RR | 95%CI | P-value | I2 (%) | P-value | n-value |
| Gastrointestinal reaction | 0.78 | [0.28, 2.14] | 0.62 | 0 | 0.49 | 7 |
| Dizziness or headache | 0.99 | [0.28, 3.49] | 0.99 | 0 | 0.43 | 4 |
| Involuntary movement | 0.33 | [0.44, 2.99] | 0.32 | 0 | 0.99 | 4 |
| Labored breathing | 1.59 | [0.29, 8.59] | 0.19 | 41 | 0.19 | 5 |
| Strep throat | 1.59 | [0.29, 8.59] | 0.59 | 41 | 0.19 | 5 |
| Insomnia | 1.64 | [0.23, 11.74] | 0.62 | 0 | 0.59 | 4 |
N, number of study arms in the forest plot; RR, risk ratio.