Table 2.
Overall Quality Score by Characteristics Between Asian Ginseng and American Ginseng
| Factor | Specie | Pearson correlation | Sig. (2-tailed) |
|---|---|---|---|
| Publication year | Asian ginseng | 0.531∗∗ | 0.000 |
| American ginseng | 0.158 | 0.517 | |
| Asian and American ginseng | 0.466∗∗ | 0.000 | |
| Sample size | Asian ginseng | 0.112 | 0.349 |
| American ginseng | 0.675∗∗ | 0.002 | |
| Asian and American ginseng | 0.263∗ | 0.012 | |
| Trial length | Asian ginseng | −0.068 | 0.571 |
| American ginseng | 0.146 | 0.551 | |
| Asian and American ginseng | 0.050 | 0.638 |
∗ Correlation is significant at the 0.05 level (2-tailed).
∗∗Correlation is significant at the 0.01 level (2-tailed).