Table 3.
Chi-square (χ 2) test results, showing expected value (E), freedom degree (FD), and probability (p).
| Group | E | χ 2 | FD | p |
|---|---|---|---|---|
| Negative control | 5.60 | 2.000 | 4 | 0.7358 |
| Positive control | 43.0 | 10.698 | 4 | 0.0302 |
| Experimental (E6) | 45.6 | 12.202 | 4 | 0.0159 |
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