Table 3.
Meta − regression of BDNF levels in persons with EDs and healthy controls
| Moderator | No. of comparisons | No. of subjects | Meta-regression | R2 analog (proportion of variance explained) | ||||
|---|---|---|---|---|---|---|---|---|
| ED | HC | Estimated Intercept | 95% CI | p-value | ||||
| No. of persons with EDs | 14 | 722 | 466 | − 1.2303 | − 1.9597 | − 0.5009 | 0.0331 | 24.56% |
| Age (mean, years) | 14 | 722 | 466 | 0.6128 | − 0.0624 | 1.2880 | < 0.0001 | 84.39% |
| Publication year | 14 | 722 | 466 | − 1.6911 | − 2.9995 | − 0.3826 | 0.0013 | 46.99% |
| NOS score | 14 | NA | NA | − 1.1455 | − 2.9337 | 0.6426 | 0.4344 | 0.00% |
| All moderators combined (Multiple Meta − Regression) | 13 | NA | NA | 51.8716 | − 157.1692 | 260.9124 | 0.1098 | 66.80% |