Table VI.
Comparison of Silverman grade at 12 h after drug administration.
| Silverman grade | ||||||
|---|---|---|---|---|---|---|
| Group | n | Grade I | Grade II | Grade III | χ2 | P-value |
| Control group | 20/50 | 11/13 | 6/21 | 3/16 | ||
| Treatment group | 44/50 | 9/9 | 21/21 | 14/20 | 7.739 | 0.021 |
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