Table 1.
Minimum current strength (μA) necessary for threshold after-discharge: summary statistics.
| GROUP\VARIABLE | C | W | B | E |
|---|---|---|---|---|
| Sample size | 9 | 9 | 9 | 9 |
| Lowest value | 130.00 | 140.00 | 140.00 | 110.00 |
| Highest value | 180.00 | 190.00 | 170.00 | 150.00 |
| Arithmetic mean | 150.00 | 168.88 | 161.11 | 131.11 |
| 95% CI for the mean | 135.61 to 164.38 | 157.07 to 180.70 | 153.97 to 168.24 | 122.14 to 140.07 |
| Median | 150.00 | 170.00 | 160.00 | 130.00 |
| 95% CI for the median | 130.00 to 168.62 | 152.75 to 180.00 | 160.00 to 170.00 | 121.38 to 140.00 |
| Variance | 350.00 | 236.11 | 86.11 | 136.11 |
| Standard deviation | 18.70 | 15.36 | 9.27 | 11.66 |
| Relative standard deviation | 0.12 (12.47%) | 0.09 (9.10%) | 0.05 (5.76%) | 0.08 (8.90%) |
| Standard error of the mean | 6.23 | 5.12 | 3.09 | 3.88 |
| Coefficient of Skewness | 0.29 (p = 0.6733) | −0.82 (p = 0.2411) | −1.46 (p = 0.0424) | 0.26 (p = 0.7018) |
| Coefficient of Kurtosis | −1.33 (p =0.2981) | 0.48 (p = 0.5940) | 3.28 (p = 0.0556) | 0.54 (p = 0.5695) |
| Kolmogorov-Smirnov test for Normal distribution | accept normality (p = 0.86) | accept normality (p = 0.70) | accept normality (p = 0.99) | accept norrmality (p = 0.61) |
C - control group animals treated with solvent (50% ethanol); W - animals treated with the water fraction of a crude Hypericum extract; B - animals treated with the butanol fraction of a Hypericum extract; E - animals treated with the ether fraction of a crude Hypericum extract.