Table 4 Meta-regression of peripheral BDNF levels in persons with ASD and healthy controls.
Moderator | No. of comparisions | No. of subjects | Meta-regression | Proportion of variance explained | ||||
|---|---|---|---|---|---|---|---|---|
ASD | Controls | Slope | 95% CI | P-value | R2 analog | |||
Age (mean, years) | 12 | 1046 | 1329 | −0.1028 | −0.285 | 0.079 | 0.237 | 4.66 |
Gender (% male) | 8 | 710 | 1075 | 0.0628 | 0.0117 | 0.114 | 0.024 | 58.18 |
Study design | 14 | 1131 | 1576 | 0.248 | −1.9765 | 2.4726 | 0.812 | 0 |
Confounders adjustment | 14 | 1131 | 1576 | −1.8329 | −3.992 | 0.326 | 0.089 | 19.18 |
