Table 6.
BDNF level improvement of cases (N = 60) after treatment with respect to severity of depression.
| Depression Severity | BDNF (before treatment) (ng/ml) |
BDNF (after treatment) (ng/ml) |
p-value within the group | ||
|---|---|---|---|---|---|
| Mean | SD | Mean | SD | ||
| Mild (n = 15) | 19.42 | 8.9 | 20.64 | 9.86 | 0.172 |
| Moderate (n = 15) | 27.16 | 10.22 | 34.7 | 26.75 | 0.172 |
| Severe (n = 15) | 12.91 | 3.15 | 19.63 | 12.54 | 0.006∗# |
| Very severe (n = 15) | 14.74 | 6.64 | 14.19 | 3.15 | 0.733 |
| p-value | 0.001∗ | 0.003∗ | |||
∗Significant (p-value < 0.05). The Kruskal-Wallis test is used.
∗#Significant (p-value < 0.05). The Wilcoxon signed-rank test is used.
BDNF, brain-derived neurotrophic factor.