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Chi-square analysis of arrhythmia inhibition rate between different experimental compounds and lidocaine.
| Compound | Dose (mg/kg) | Arrhythmia (frequency) | Without arrhythmia (frequency) | χ 2 | p |
|---|---|---|---|---|---|
| Compound 1 | 0.05–0.20 | 21 | 1 | 15.457 | 0.001 |
| 0.40 | 10 | 3 | |||
| 0.60 | 11 | 14 | |||
| Lidocaine | 5.0 | 12 | 9 | ||
| Compound 2 | 0.05–0.20 | 22 | 2 | 18.123 | 0.0004 |
| 0.30 | 10 | 12 | |||
| 0.40 | 10 | 18 | |||
| Lidocaine | 5.0 | 12 | 9 | ||
| Compound 4 | 0.05–0.20 | 21 | 2 | 6.908 | 0.032 |
| 0.40 | 19 | 6 | |||
| Lidocaine | 5.0 | 12 | 9 |
