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Comparison of S2 stage achievement rates between the two groups.
| Variable | Effective casesa | Ineffective cases | S2 achievement rate (%) |
|---|---|---|---|
| Treatment group | 74 | 6 | 93 |
| Control groupb | 54 | 23 | 70 |
| P-value | - | - | <0.05 |
Effective cases refer to the patients who had achieved S2 stage.
Three patients in the control group did not finish treatment due to experiencing adverse reactions.
