| C3 | C3a | C1q | CRP |
---|
 |  | MDD* | HC* | ALL# | MDD* | HC* | ALL# | MDD* | HC* | ALL# | MDD* | HC* | ALL# |
Age | rs/β | -0.026 | 0.306 | 0.117 | 0.042 | 0.099 | -0.086 | 0.132 | 0.103 | 0.070 | 0.170 | -0.085 | 0.054 |
 | P | 0.861 | 0.041 | 0.254 | 0.775 | 0.519 | 0.390 | 0.364 | 0.501 | 0.513 | 0.244 | 0.579 | 0.566 |
BMI | rs/β | 0.405 | 0.170 | 0.261 | 0.385 | 0.055 | 0.233 | 0.146 | 0.216 | 0.182 | 0.533 | 0.417 | 0.431 |
 | P | 0.004 | 0.265 | 0.015 | 0.006 | 0.718 | 0.026 | 0.318 | 0.154 | 0.101 |  < 0.001 | 0.004 |  < 0.001 |
- * Spearman correlational analysis was used for the MDD and HC group, and spearman r (rs) is present in the table
- # Multiple linear regression (MLR) was used for correlational analysis in all participants to control for the diagnosis, and standardized beta (β) is present in the table; plasma complements and CRP were LN-transformed in MLR. C3 Complement component 3, C3a Complement component 3a, C1q Complement component 1q, CRP C-reactive protein, MDD Major depressive disorder, HC Health control, ALL All participants